The APW Expander Mandrel will smooth out and slightly expand the case neck so the brass will be ready for consistant neck tention. The large-cal window riser is through the first prototype and now working on design updates for rev 2. Our Expander Mandrel is unique because it expands the neck of your brass on the down stroke instead of the up stroke of your press. Over the past few years we have seen a greater need to run new brass cases over and expanding mandrel to properly prepare them for their first firing. However, the neck inside diameter needs to be slightly smaller so the expand mandrel can properly size the brass. Shipping was fast even though this was a custom part and I purchased close to Christmas. Brownells Featured Dealers have agreed to perform FFL transfers on guns purchased online from Brownells. Custom Undersized Mandrel, please specify how many thousandths you would like it undersized in the box below. My Hornady New Dimentions dies include a tapered expander ball but I needed an external method. Sign Up for Our Mailing List! A .3060" mandrel will give you ~.0025" neck tension (interference fit). Search. Your email address will not be published. Neck Up Mandrel (.242"), Increase Quantity of 6mm up from 22cal. The gage pin block will be etched with the caliber and each gage pin location will be noted with the bullet tension and the diameter of the gage pin. Dies already include the 5/16 Collet needed to use the Expander Mandrels. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly. I then used my RCBS Ammomaster for 50 BMG with the mandrel mounted in my adapter. } A while back, while forming some 30BR brass for a customer's rifle we noticed that after necking 6mm up to 30cal the neck fit on the turning mandrel was a lot tighter than we Necking 220 Russian up to 6mm for forming 6PPC is a pretty easy task, but we've noticed that neck turning mandrel fit can sometimes leave something to be desired. All of our expand mandrels are ground to account for spring-back of brass which is assumed at the nominal anneal. Once this sizing is complete perform the final sizing of the neck with the expand mandrel. Expanding Mandrel Die Your Price: $80.00 * Price Includes Only Mandrel - Additional mandrels sold separately. Reply. MSC Industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today! Cartridges. 2). Theme: Alpha Store by Themes4WP. EXPANDER MANDRELS ARE ONLY COMPATIBLE WITH SHORT ACTION CUSTOMS MODULAR SIZING DIES. The site owner may have set restrictions that prevent you from accessing the site. Thanks for the review Jeff! The gage pin block will be etched with the caliber and each gage pin location will be noted with the bullet tension and the diameter of the gage pin. Now based on your neck wall thickness select the appropriate bushing that will achieve the 0.277 inside neck diameter. Standard 7/8ths Reloading Press. Mon - Fri: 7:00 a.m. - 3:00 p.m. EST } L.E. Furthermore, the precision ground expanding detail is high up in the die, slightly below the cartridge's neck/shoulder . (excluding presses), ** PLEASE ALLOW UP TO 10-15 BUSINESS DAYS FOR PROCESSING **, Cut out in die provides an easy view for making sure case aligns and setting up depth, Interchangeable Mandrels depending on caliber, Die ONLY expands neck to slightly under bullet diameter, Stainless Parts for a Long Lasting Finish, L.E. Price is for 1 mandrel. I emailed K+M and worked with Dave Allen to determine an appropriate set of stem expander mandrels along with a set of gage pins to achieve a bullet tension of .002. For over 75 years, shooters, professional gunsmiths, hobbyists, military/law enforcement armorers, hunters, and gun tinkerers have turned to Brownells for high-quality guns, gun parts, ammunition, and optics. The benefit is that as the cartridge is pulled out of the die, the cartridge neck transitions from the neck bushing to the expander mandrel right away. We have found this is the easiest method to greatly reduce your extreme spread (ES) and standard . } Expander Mandrel (.307"), Increase Quantity of 30cal. This is ideal, where expanding on the up stroke puts all the stress and pressure on an unsupported case/neck. Dip the neck in dry lube and make sure there is no crap in your shell holder. Required Collet: 5/16 (.30 Caliber dies come standard with a 5/16 Collet) Our Expander Mandrel is unique because it expands the necks of your brass on the "down stroke" instead of the "up stroke" of your press. Description Expand Mandrels for Bullet Tension: Tool Notes: Download Tool Instructions After selecting the caliber, select each bullet tension expand mandrel desired for your kit. Mon - Fri: 7:00 a.m. - 3:00 p.m. EST Spot on products. Rweeks7mm, thanks for the review and feedback! This also means, if using a neck bushing style die you should use a smaller bush than the regular size recommendation. This 1). We will inform you when the product arrives in stock. { I appreciate your input here, by e-mail, and discussions on the phone. The item you are trying to purchase is currently out of stock.Please enter your name, email, and phone number below. Expanding Mandrel (.171"), Increase Quantity of 17cal. New brass cases are often damaged when shipped in bulk, this die will give you a consistent neck diameter on your cases. I dip the necks in Redding dry neck lube and then run them through the expander. Expander Mandrels are only compatible with SAC Dies. LRH Supporter . We at BRT do know that brass springback can vary too. Consistant bullet grip plays a critical role in consistent accuracy and velocity. This is ideal, where expanding on the up stroke puts all the stress and pressure on an unsupported case/neck. ); on: function(evt, cb) { Copyright 2023 Lee Precision, Inc.. All rights reserved. forms: { Berger shipment. All of our expand mandrels are ground to account for spring-back of brass which is assumed at the nominal anneal. .715 & .895) AR15 / AR10; . The spring-back works in the opposite direction from that of a bushing die approach, so the mandrel will generally give you somewhere around .0005" more neck tension than than simply subtracting the mandrel's diameter from the caliber. Glad we could help get you setup. Jig with chop saw. Our mandrels are built to last. Paul Anderson Now stocking most sizes we aim to ship next business day! 2023. huang_wan Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. Each selection allows for selecting an etched press adapter and the corresponding gage pin for that neck tension. NOTE: If you do not currently have a 7mm ER11 Collet installed in your die, you will need to purchase one! We have found this is the easiest method to greatly reduce your Extreme Spread (ES) and Standard Deviation (SD) numbers. The spring back I had was roughly .0015 in 133 of the cases. Final cost and estimated delivery date can be seen in your cart. Please select from the options above to see detailed restrictions. So you can be sure that your components are stronger and more secure than with other traditional designs such as brass or bronze. Jan 22, 2020. This is fast and efficient, and so far; no lost cases from expanding. Once this sizing is complete perform the final sizing of the neck with the expand mandrel. Dont expect anything more. - custom hole fit per caliber (.30 cal shown). Jiyuan Yubei Machinery Co., Ltd. is located in the hometown of Yugong - Jiyuan City, Henan Province, Hu Ling Gathering Area, Tiantan Venture Park C. It is connected to Shanxi in the north and Luoyang in the south. Alternatively, you can use a traditional full-length die (expander ball removed) and use the expand mandrel for final sizing. Our team of mandrel experts will work closely with your mill builder to design and manufacture the best mandrels for your new system. Click on Select Option arrow. Save my name, email, and website in this browser for the next time I comment. So for this operation i think you will find that should now be 0.004-0.005 under. This is an updated "Gen II" design that completely captures the mandrel within the die so the mandrel cannot pull out. Fit and finish was excellent. Theme: Alpha Store by Themes4WP. })(); Short Action Customs, LLC. Proudly powered by WordPress | All the K&M products Ive put on the shelf in my shop are superb. SO this time I called and chatted with KM and trust me, I am a slow learner and they were very patient with me and suggested what I needed based upon the conversation. Select any or all items; 9 mandrels will fill a case. Current lead time is 8 weeks. +86-0391-219-7289 +86-155-1470-8691 from 6mm Neck Up Mandrel (.307"), Decrease Quantity of 338cal. Also if you are annealing brass properly there definitely will be less springback than regular. Today I compared concentricity of loaded rounds, 16 were sized with a standard Hornady full length sizing die with expander ball and then bullets seated with a Hornady seating die. For example, say you are working with a 7mm caliber (0.284) and you would like 0.004 of bullet tension. After selecting the caliber, select each bullet tension expand mandrel desired for your kit. (verified owner) 12/29/2021. { Particularly when you are not doing outside neck turning of brass which uniforms wall thickness. Alternatively, you can use a traditional full-length die (expander ball removed) and use the expand mandrel for final sizing. Now subtract the 0.002 or 0.003 from the final size, 0.280-0.003=0.277. Already possessed the neck turner 223 mandrel which I bought before I knew what I was doing then discovered I needed the neck tension mandrels. The feel you are looking for is a light drag on the gage pin. Proudly powered by WordPress | You can actually feel the air compress inside the case. Undersized Mandrels available for immediate shipment: 223 Remington and 22/25090602 UNDERSIZE MANDREL .220, 243 Winchester, 6mm Creedmoor, and 6mm/244 Remington 90007 UNDERSIZE MANDREL .239, 6.5 X 55, 260 Remington, and 6.5 Creedmoor 90069 UNDERSIZE MANDREL .260, 270 Winchester90496 UNDERSIZE MANDREL .273, 7mm Rem Mag, 7x57, 7mm/08, and 7mm Express90631 UNDERSIZE MANDREL .280, 300 WSM, 7.5x55, 30/06, 30/30, 308 Win, and 300 Win Mag90480 UNDERSIZE MANDREL .3035. Have we got the mandrel for you. Custom Undersized Mandrel, please specify how many thousandths you would like it undersized in the box below. Expanding is more consistent because the brass starts off perfectly centered in the die and is immediately expanded as the brass is drawn out of the die body. (function() { Be sure to have your plant builder use Yubei Mandrels because the best equipment produces the best product. Category suggestion. Required fields are marked *. Expander Mandrel 7mm (.283"), Increase Quantity of 28cal. SKU: 90677. $10.00. Brownells is your source for Turning & Expander Mandrels,Neck Turning at Brownells parts and accessories. The gage pin block will be etched with the caliber and each gage pin location will be noted with the bullet tension and the diameter of the gage pin. When using an expand mandrel to achieve final neck sizing bullet tension we find it best to size your neck 0.002 to 0.003 below your desired final bullet tension size. However, these expander balls are only .507 in diameter, and with the the variable spring back I was getting bullet tensions were too high and too variable to achieve an accurately uniform set of cartridges to shoot a two gun match. Ensures a seamless transfer of the cartridge neck from the Neck Sizing Bushing to the Expander Mandrel. Quick View. Our neck turning tool mandrels measure approximately about .002'' less than the bullet diameter for the caliber. I use the expander mandrel along with the turning mandrel to get the best fit while turning the necks. This is why owning a couple of these expanders may be needed to establish a result which you want. (verified owner) 01/23/2023. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. } Rest assured, you will still benefit from our vast product selection and industry-leading customer service. } Sinclair's Generation II Expander Die Body (item 05-3000, shown above) completely captures the mandrel within the die so the mandrel cannot pull out. listeners: [], NO RETURNS/REFUNDS FOR BULLET TENSION MANDRELS. NOTE: IF YOU ARE NOT CURRENTLY USING A SAC EXPANDER MANDREL IN YOUR MODULAR SIZING DIE, YOU WILL NEED TO PURCHASE A COMPATIBLE ER11 COLLET. } Expander Mandrel 6.5mm (.263"), Increase Quantity of 26cal. By stepping up or down on the expand mandrel bullet tension size you can achieve the desired neck tension to your pin gage. Custom Rod Guide; Remington and Kelbly (Bolt Dia .695 - .700) BAT Actions (Bolt Dia. .50 cal tapered custom expand mandrels and gage pins All are welcome! When using an expand mandrel to achieve final neck sizing bullet tension we find it best to size your neck 0.002 to 0.003 below your desired final bullet tension size. Dave @ K&M Each selection allows for selecting an etched press adapter and the corresponding gage pin for that neck tension. PMA Tool. And I understand that K+M is also working on an expand mandrel riser for use with the large caliber brass, which will be a welcome addition allowing a full ram extension. different cases are effected by the size of the shoulder. By using our services, you agree to our use of cookies. Then I called back again and they again patiently listened and advised and counseled on what I needed with my new questions and I ended up ordering the .003 and .004 neck tension mandrels for 223 and am very happy with them and they are doing the job I expect of them. Help. Expander Mandrels - 7mm Cartridges $50.00 or 4 interest-free payments of $12.50 with Expander Mandrels are only compatible with SAC Dies. Cookies help us deliver our services. Therefore you can correlate this information to the actual part numbers listed. This $24.95 unit fits caliber-specific expander mandrels ($8.95) which measure approximately .001 less than bullet diameter for each caliber. Interchangeable Mandrels depending on caliber. Subtract the 0.004 from the standard bullet diameter, 0.284-0.004=0.280, this will be the final size after expanding. For a listing of our Brownells Europe representatives. Specialties: We specialize in alterations ranging from small cosmetic repairs to custom tailoring an outfit to fit you for any occasion. With the further deepening of economic reform, the company invested more than 4 million RMB to update equipment at the end of 2016, newly purchased one 5m CNC gantry milling machine, two 3m CNC gantry milling machines, one 10m 1250 lathe, etc., which further strengthens the production and processing capacity of the enterprise and brings the quality of our products to a new level. Amazing how smooth the 21st Century black nitride mandrel was. window.mc4wp = window.mc4wp || { Expanding Mandrel (.337"), Decrease Quantity of 6mm up from 22cal. Expanding is more consistent because the brass starts off perfectly centered in the die and is immediately expanded as the brass is drawn out of the die body. Price reflected in cart. Our Expander Mandrel is unique because it expands the neck of your brass on the "down stroke" instead of the "up stroke" of your press. Expander Mandrel 7mm (.283"), Decrease Quantity of 30cal. GUARANTEED. I lube the internal necks of either 222 Rem/.223 Rem, or 221 FB with this tapered mandrel.Great job Roger and K&M. Custom EZ X Expander, for the full length sizing die. Our team of mandrel experts will work closely with your mill builder to design and manufacture the best mandrels for your new system. I couldnt be more pleased with these custom expand mandrels and gage pins. We carry high-quality products and back them with the industry's strongest guarantee. Our expander mandrels are made .001'' larger than the turning mandrels. All of our mandrels fit both our NT-3000 and NT-1000 neck turning tools and most of our older model neck turning tools. #1. Be sure to at least use a light lubricant. Neck Up Mandrel (.242"). Durable and Accurate. Help me choose a press adapter to hold an expand mandrel for neck sizing. These custom expanders are available in 1/2 thousandths of an inch increments of BULLET TENSION being the size under (or less than) the calibre size. We have their necessary FFL information on file and your FFL order will ship directly to them once processed. Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. NO RETURNS/REFUNDS FOR CUSTOM GRIND ITEMS. If your cartridge is not listed in the dropdown box below, please note the caliber in the space provided. Location. Exacting precision is what you get with these folks. Dave @ K&M of China, fixed assets of 12 million, 65 employees, average age of 32 years old, college managers, senior technicians, engineering and technical personnel 12 people, Japan, the United States, India, Vietnam, Turkey, Pakistan, and other countries. UPDATE as of 9pm AEST 28th: A bit less for the calibres of 6mm and smaller. Last edited: Aug 15, 2020. ); Our clients include those associated with professional film, sports and music industry, to name a few. For custom expand mandrels please e-mail to order. We design and manufacture the most efficient and highest quality Mandrels, decoiler, and recoiler, providing a better product for your company and your customers. The gage pin block will be etched with the caliber and each gage pin location will be noted with the bullet tension and the diameter of the gage pin. Resizing bushes are usually 0.002-0.003 under the measured neck with bullet seated. (function() { Copyright var date = new Date(); document.write(date.getFullYear()); L.E. Second wide, Changji and other high speed through the territory, geographical conditions are superior, road traffic is developed, rich tourism resources. I will continue to use their version of the tools I use to help me shoot accurately. Thanks again to K+M for another great purchasing experience. PLEASE SEE CHART IN BELOW CAUTION!!! Sat & Sun: Closed. This is why they are marked and identified this way. This correct fit makes the turning process more precise and much easier. Your email address will not be published. I purchased the Expander Mandrel Window Riser and a custom 7mm Remington Magnum mandrel for 0.002 neck tension. (verified owner) 01/26/2023. Order up to 9 on the Bullet Tension Kit page. To check which bullets are available click HERE. By stepping up or down on the expand mandrel bullet tension size you can achieve the desired neck tension to your pin gage. event : evt, } This is ideal, where expanding on the "up stroke" puts all the . We will will be releasing for sale more of the Berger bullets next week. These dealers either do not meet our requirements for FFL transfers, or prefer to not perform transfers for guns purchased online from Brownells. Save my name, email, and website in this browser for the next time I comment. In limited numbers at a time and probably commencing with 25cal and 6.5cal. So the size and the part numbers stamped on them refer to bullet tension RESULT. It's Monday 9:46 PM Sorry, we're CLOSED. I have read and agree to the terms & conditions. rweeks7mm I have not had a chance to test any loads made with it yet, but brass sized with it were inline with the spec. FEENIX Well-Known Member. When sized properly the gage pin will act as a piston as you push the pin into the case neck while holding your finger or thumb over the primer pocket. The APW Expander Mandrel will smooth out and slightly expand the case neck so the brass will be ready for consistent neck tension. The benefit is that as the cartridge is pulled . Art's Music Shop 4647-O Hwy 280S Birmingham, AL 35242 Tel: (205) 995-8376 Ensures a seamless transfer of the cartridge neck from the Neck Sizing Bushing to the Expander Mandrel. I removed the ball expander from my CH4D FL die to size all of the brass. All rights reserved. Expanding Mandrel (.276"), Increase Quantity of 27cal. Remember actual brass springback is a difficult thing to know beforehand. So you will probably need to use something like this to gain much more consistent bullet grip. NO RETURNS/REFUNDS FOR BULLET TENSION MANDRELS, (New foam is compatible with v1 and v2 PowerStroke Press Adapters), 6mm, 6.5mm, .270, 7mm, .375, .416 and .50 cal are new PowerStroke models without a stop screw, (Not compatible with BMG cartridges, inside diameter is .650). The benefit is that as the cartridge is pulled out of the die, the cartridge neck transitions from the neck bushing to the expander mandrel right away. Our mandrels are longer than other expanding mandrels and feature a special dual taper which expands both on the up and down . Michigan. The K+M mandrels and gage pins I receive are of high precision, each mandrel and pin miced to the exact dimensions printed on the sides. I am very pleased with the finished product which allows full trimming in my Redding Form/Trim die or my 300B.O. APW Expander Mandrel Set. I have read and agree to the terms & conditions. The difference in force was an eye opener. In addition to good products they have great customer service. Furthermore, the precision ground expanding detail is high up in the die, slightly below the cartridge's neck / shoulder detail. Hey Greg, thanks for the kind words and thorough review! Our neck turning tool mandrels measure approximately about .002'' less than the bullet diameter for the caliber. If there is anything in your cart, it will not be brought over to the old site. Shop a large range of expanding mandrel at MSC Industrial Supply. 1-800-645-7270; Live Chat; Help Center; About Us . If you need an additional collet they can be purchased separately HERE. Custom Easy X Expander. Expanding Mandrel (.203"), Increase Quantity of 20cal. and bushing dies to set the neck tension or a polished expander ball with the dies so I can . American Guitar Boutique 707 13th St. Phenix City, AL 36867 Tel: (334) 560-5202. SKU:90594 Cartridge * How many thousandths (.xxx) undersized? Please leave your valid email address below. Every product I have purchased has been of the highest quality. Gage pin organizer .17 cal through .50 cal. If you choose a Standard Dealer, you are responsible for contacting that dealer and arranging for the dealer to submit a signed copy of an FFL and to give Brownells permission to ship the gun. Sign Up for Our Mailing List! Expand Mandrels for Bullet Tension Builder. Enable Accessibility 800-741-0015 Live Chat Live Chat Facebook Instagram Help Create an Account Login Create an Account Cart (0) View Cart Checkout BrownellsBrownells 75th Anniversary - A Shooting Heritage Menu Stainless Parts for a Long Lasting Finish. Today the same procedure exists with the newer 300 BlackoutAAC and Whisper. Caliber Specific Expander Mandrel Kits Buy Online Whats New Chart Printable Instructions Mail in Order Form Claims-Returns-Warranty Hours and Closures Contact Anyone serious about hand loading will appreciate our products. Now stocking most sizes we aim to ship next business day! Die ONLY expands neck to slightly under bullet diameter. You do not have access to www.brownells.com. Expander Mandrel Size Delivery date may change with additions to cart. Your friend will receive an email from you with a link to our site. Youll find over 90,000 products from top brands and hard-to-find unique gun parts, firearm accessories, gunsmithing tools, and other products to maintain, repair, and upgrade your guns for work, home, hobby, and protection. All of our Expander Mandrels are rough turned, next they are precision OD Ground for the full length ensuring that all of the outside detail is concentric and ground in the same operation. carbide is very dense and highly polished so it has the highest amount of surface contact and can apply more force than the shoulder can stand in some cases. Each selection allows for selecting an etched press adapter and the corresponding gage pin for that neck tension. Wilson manufactured lock nut - thickness is .225" from inside to outermost edge .270" for height and 1.250" total width OD. I full length re-size after each shoot and have used both Hornady and CH4D dies with included expander balls. Please specify how many thousandths you would like it undersized or oversized in the box below. We will update on this banner and newsletters and Facebook. J E CUSTOM . Like a hot knife through butter. Shipping costs are shown for this product only. If you buy a product from us and decide to return it, well take it back at any time with very few exceptions. $21.50 (out of stock) RH, thanks for the review! Be the first to review Expander Mandrels 25 Cal. IF WRONG MANDREL IS ORDERED, SAC WILL NOT . Not Available Dealers are dealers Brownells cannot ship guns to at this time. All of our Expander Mandrels are rough turned, next they are precision OD Ground for the full length ensuring that all of the outside detail is concentric and ground in the same operation. Expander Mandrel (.307"), Decrease Quantity of 30cal. I spoke with Roger at K&M and he obliged me with retuning his standard 7mm-30 cal mandrel. Quite often the brass can be harder or softer than expected. Our company offers a wide range of surface treatment technologies on mandrels, including ion nitriding, carbide coating, and chrome plating. We recommend using a minimal amount of dry lube on the mandrel when expanding. I have loaded many wildcat calibers over the years starting years ago with the TC/U wildcats of Ugalde and others. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Now subtract the 0.002 or 0.003 from the final size, 0.280-0.003=0.277. In other words resize slightly more so that these expanders canexpand the neck out just a little. Expanding Mandrel (.171"), Decrease Quantity of 20cal. This step can be done for jacketed bullets, however it is usually performed prior to the seating of lead bullets. Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. Cut out in die provides an easy view for making sure case aligns and setting up depth Interchangeable Mandrels depending on caliber Stainless Parts for a Long Lasting Finish - Made in the U.S.A. Our Expander Mandrel is unique because it expands the neck of your brass on the down stroke instead of the up stroke of your press. The shape, finish, and size are the result of years of use and experimentation by many hand loaders. Expander Mandrel 6mm (.242"), Increase Quantity of 24cal. For example, say you are working with a 7mm caliber (0.284) and you would like 0.004 of bullet tension. Furthermore, the precision ground expanding detail is high up in the die, slightly below the cartridges neck / shoulder detail. Be the first to review Expander Mandrels 7mm Cartridges. After expanding use the corresponding gage pin to confirm the neck sized as expected. To make the shopping experience with Brownells better, we have a number of representatives in Europe. Your email address will not be published. The feel you are looking for is a light drag on the gage pin. ensures a seamless transfer of the cartridge neck from the Neck Sizing Bushing to the Expander Mandrel.
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