} Paul Anderson 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. Our Neck Expanding Mandrels are designed to fit both the 21st Century Shooting and Sinclair Expander Dies. Neck Up Mandrel (.242"), Increase Quantity of 6mm up from 22cal. This badass family hauler went home today with a fresh LSX 6.2/4L80e. Please search by another zipcode to find the nearest dealer. Your email address will not be published. different cases are effected by the size of the shoulder. An O-ring in the die cap allows the mandrel to float a bit and find its own center within the case neck. 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. Spot on products. Shop a large range of expanding mandrel at MSC Industrial Supply. To make the shopping experience with Brownells better, we have a number of representatives in Europe. Expander Mandrel (.223"), Increase Quantity of 22cal. 1-800-645-7270; Live Chat; Help Center; About Us . Art's Music Shop 4647-O Hwy 280S Birmingham, AL 35242 Tel: (205) 995-8376 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. Happy reloading. Although I was not able to use the current K+M extender to obtain a full stroke of the ram, I was still able to fully expand the necks of my casings. Our team of mandrel experts will work closely with your mill builder to design and manufacture the best mandrels for your new system. Today the same procedure exists with the newer 300 BlackoutAAC and Whisper. Also if you are annealing brass properly there definitely will be less springback than regular. This also means, if using a neck bushing style die you should use a smaller bush than the regular size recommendation. Expander Mandrels - 6.5mm Cartridges - Short Action Customs Expanding Mandrel (.337"), Increase Quantity of 338cal. These tool are especially helpful for those reloaders who choose not to outside neck turn their brass to uniform wall thickness. majohnson Gold $$ Contributor Dec 21, 2016 #4 That an interesting idea on using the gaige pins. This correct fit makes the turning process more precise and much easier. Select any or all items; 9 mandrels will fill a case. Cartridges. Standard Dealers have not yet agreed to perform FFL transfers on guns purchased online from Brownells. Each selection allows for selecting an etched press adapter and the corresponding gage pin for that neck tension. Particularly when you are. No.7 Workshop, Zone C of Tiantan Pioneer Park, Huling Industrial Agglomeration Area, Jiyuan City, Henan Province P.R . Expander Mandrel (.307"), Decrease Quantity of 30cal. Expander mandrel | Page 3 | Long Range Hunting Forum CUSTOM UNDERSIZE OR OVERSIZE COLLET MANDRELS/ Custom Undersized Collet Necksizing Mandrel Custom Undersized Collet Necksizing Mandrel $10.00 Custom Undersized Mandrel, please specify how many thousandths you would like it undersized in the box below. 21st Century Innovation: Bruno Shooters Supply My Hornady New Dimentions dies include a tapered expander ball but I needed an external method. Dip the neck in dry lube and make sure there is no crap in your shell holder. Expanding Mandrel (.171"), Decrease Quantity of 20cal. The complete set includes: 224Cal0.2230.222 243 Cal (6mm)0.2420.241 264 Cal (6.5mm)0.2630.262 . Now based on your neck wall thickness select the appropriate bushing that will achieve the 0.277 inside neck diameter. Expanding Mandrel (.171"), Increase Quantity of 17cal. All of our expand mandrels are ground to account for spring-back of brass which is assumed at the nominal anneal. and bushing dies to set the neck tension or a polished expander ball with the dies so I can . 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. Expand Mandrels for Bullet/Neck Tension Builder - K+M Precision 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! Decrease Quantity of 17cal. 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. Expander Mandrel (.223"), Decrease Quantity of 24cal. Thanks for the review Jeff! So you will probably need to use something like this to gain much more consistent bullet grip. Carbide is also better at resisting galling which can leave behind material and scratch the inside of your necks. 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. If there is anything in your cart, it will not be brought over to the old site. Decapping Expanding Mandrels - Short Action Customs, LLC. Current lead time is 8 weeks. Established in 1942. (verified owner) 01/26/2023. This is ideal, where expanding on the up stroke puts all the stress and pressure on an unsupported case/neck. After selecting the caliber, select each bullet tension expand mandrel desired for your kit. Save my name, email, and website in this browser for the next time I comment. Jeff Lovat RH, thanks for the review! This $24.95 unit fits caliber-specific expander mandrels (item E-XX, $8.75) which measure . Your email address will not be published. After selecting the caliber, select each bullet tension expand mandrel desired for your kit. These dealers either do not meet our requirements for FFL transfers, or prefer to not perform transfers for guns purchased online from Brownells. Reactions: Blackhawk, RYEWSKY25284, Patriot007 and 6 others. All of our expand mandrels are ground to account for spring-back of brass which is assumed at the nominal anneal. Click on Select Option arrow. SKU: 90677. Popular Search, Category Each selection allows for selecting an etched press adapter and the corresponding gage pin for that neck tension. This is ideal, where expanding on the "up stroke" puts all the . NO RETURNS/REFUNDS FOR CUSTOM GRIND ITEMS. } I dip the necks in Redding dry neck lube and then run them through the expander. Our mandrels are longer than other expanding mandrels and feature a special dual taper which expands both on the up and down stroke of the Our Neck Expanding Mandrels are designed to fit both the 21st Century Shooting and Sinclair Expander Dies. In other words resize slightly more so that these expanders canexpand the neck out just a little. KM Custom Undersized Expander Mandrels for 7mm $10.00. Dies already include the 5/16 Collet needed to use the Expander Mandrels. United States Dealers | G&L Musical Instruments It is important to remember these are made and marked to take into account brass springback. (function() { Each selection allows for selecting an etched press adapter and the corresponding gage pin for that neck tension. This is why owning a couple of these expanders may be needed to establish a result which you want. For example -0.0025 of Bullet Tension (BT) on these KM expanders means to achieve a bullet grip on neck tension of 0.0025 and after using that expander, the brass should normally spring back to leave the internal neck size of around 0.2815. Caliber Specific Expander Mandrel Kits - 21st Century Innovation IF WRONG MANDREL IS ORDERED, SAC WILL NOT . Price reflected in cart. The undersize mandrel will lets say expand your already FL resized brass that has been sized with a bushing die back to a diameter that will allow your bullet to easily start into your case mouth. event : evt, .715 & .895) AR15 / AR10; . window.mc4wp = window.mc4wp || { Which expander mandrel are you using? | Sniper's Hide Forum Our mandrels are built to last. I removed the ball expander from my CH4D FL die to size all of the brass. 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. 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.. Copyright 2023 Lee Precision, Inc.. All rights reserved. There are no Exchanges or Refunds on this item as manufacturer deems these non exchangeable. Your email address will not be published. Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. NOTE: If you do not currently have a 7mm ER11 Collet installed in your die, you will need to purchase one! Be sure to at least use a light lubricant. Be the first to review Expander Mandrels 7mm Cartridges. Please specify how many thousandths you would like it undersized or oversized in the box below. Custom Undersized Collet Necksizing Mandrel - Lee Precision Be the first to review Expander Mandrels 25 Cal. 21st Century Innovation - Steel Specific Diameter Expander Mandrel - 6mm .240. By using our services, you agree to our use of cookies. The large-cal window riser is through the first prototype and now working on design updates for rev 2. Expander Mandrel 7mm (.283"), Increase Quantity of 28cal. Manufacturers Of American Made Rubber & Plastic | Vip Rubber Co Not Available Dealers are dealers Brownells cannot ship guns to at this time. Expander Mandrels - 7mm Cartridges - Short Action Customs, LLC. Setting neck tension with expander mandrel and bushing die questions I couldnt be more pleased with these custom expand mandrels and gage pins. NO RETURNS/REFUNDS FOR BULLET TENSION MANDRELS. Order up to 9 on the Bullet Tension Kit page. forms: { Alternatively, you can use a traditional full-length die (expander ball removed) and use the expand mandrel for final sizing. Thanks again to K+M for another great purchasing experience. These representatives will help ease the extensive licensing and shipping complications associated with purchasing products from our U.S. website. I use the expander mandrel along with the turning mandrel to get the best fit while turning the necks. Less common sizes ship ~1-2 weeks from date of purchase, Expand Mandrels for Bullet Tension Builder, 6mm, 6.5mm, .270, 7mm, .375, .416 and .50 cal are new PowerStroke models without a stop screw. Quite often the brass can be harder or softer than expected. Share your e-mail with us to receive regular sales, offers, and promotions. CUSTOM UNDERSIZE OR OVERSIZE COLLET MANDRELS, 4275 County Rd U, Hartford WI, 53027, USA, Selecting the right die set for your needs. 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. 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. NOTE: SAC 30 Cal. Please select from the options above to see detailed restrictions. Furthermore, the precision ground expanding detail is high up in the die, slightly below the cartridge's neck/shoulder . Standard 7/8ths Reloading Press. { Expander Mandrel Set | Axis Precision Worx Please leave your valid email address below. Therefore you can correlate this information to the actual part numbers listed. The use of rugged materials and more scientifically designed construction means that our spindles fit seamlessly into your existing machining line, providing high-quality performance, ease of maintenance, and years of trouble-free use. Neck Up Mandrel (.242"). forms: { Not the actual measured size of the mandrels themselves! The NEW Wilson Expanding Mandrel SizingDie. ); Custom Undersized Mandrel, please specify how many thousandths you would like it undersized in the box below. 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. Mon - Fri: 7:00 a.m. - 3:00 p.m. EST Rest assured, you will still benefit from our vast product selection and industry-leading customer service. UPDATE as of 9pm AEST 28th: So you can be sure that your components are stronger and more secure than with other traditional designs such as brass or bronze. So you want to make 30BR brass quick? After selecting the caliber, select each bullet tension expand mandrel desired for your kit. } 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. Have we got the mandrel for you. The spring back I had was roughly .0015 in 133 of the cases. I shoot 50 cal competition and was running into variable bullet tension problems, in large part due to inconsistent annealing, which I am working on. We will will be releasing for sale more of the Berger bullets next week. Custom Rod Guide; Remington and Kelbly (Bolt Dia .695 - .700) BAT Actions (Bolt Dia. All rights reserved. - custom hole fit per caliber (.30 cal shown). The APW Expander Mandrel will smooth out and slightly expand the case neck so the brass will be ready for consistant neck tention. We have found this is the easiest method to greatly reduce your extreme spread (ES) and standard . 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. Custom Expander Mandrel, Uncoiler Mandrel Joint - YUBEI - Mandrelmachining 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. document.getElementById("copyright_year").innerHTML = new Date().getFullYear(); Our Neck Expanding Mandrels are designed to fit both the 21st Century Shooting and Sinclair Expander Dies. Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. DO NOT ORDER UNTIL YOU CONFIRM WHICH DECAPPING EXPANDING MANDREL WILL WORK WITH YOUR DIES. We recommend using a minimal amount of dry lube on the mandrel when expanding. It's Monday 9:46 PM Sorry, we're CLOSED. listeners: [], Any of the mandrels can be used to ''neck'' cases up to the next caliber when used with the NT-EXP (Expander Body). 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. Yubei Machinery's existing fixed assets of 12 million, 65 employees, average age of 32 years old, college managers, senior technicians, engineering and technical personnel 12 people. Amazing how smooth the 21st Century black nitride mandrel was. Expander Mandrels - 7mm Cartridges $50.00 or 4 interest-free payments of $12.50 with Expander Mandrels are only compatible with SAC Dies. New brass cases are often damaged when shipped in bulk, this die will give you a consistent neck diameter on your cases. 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. Subtract the 0.004 from the standard bullet diameter, 0.284-0.004=0.280, this will be the final size after expanding. Your friend will receive an email from you with a link to our site. After expanding use the corresponding gage pin to confirm the neck sized as expected. This is an assumption by KM based on normal brass springback. Expander Mandrels - 30 Cal. Cartridges - Short Action Customs Expanding Mandrel (.203"), Increase Quantity of 20cal. FOREVER. 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. Berger shipment. The products cover more than ten provinces and cities in China, and some of them are exported to Japan, the United States, India, Vietnam, Turkey, Pakistan, and other countries. However, the neck inside diameter needs to be slightly smaller so the expand mandrel can properly size the brass. I have not had a chance to test any loads made with it yet, but brass sized with it were inline with the spec. Expanding Mandrel Die-EXP- - L.E. Wilson Our team of mandrel experts will work closely with your mill builder to design and manufacture the best mandrels for your new system. For example, say you are working with a 7mm caliber (0.284) and you would like 0.004 of bullet tension. Expander Mandrel 7mm (.283"), Decrease Quantity of 30cal. Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. Expander Mandrel 6mm (.242"), Increase Quantity of 24cal. from 6mm Neck Up Mandrel (.307"), Increase Quantity of 30cal. Die ONLY expands neck to slightly under bullet diameter. Theme: Alpha Store by Themes4WP. Designed and manufactured with alloy forgings, our one-piece shaft technology, developed by our technical team, effectively increases service life and precision of workmanship! Mon - Fri: 7:00 a.m. - 3:00 p.m. EST Ensures a seamless transfer of the cartridge neck from the Neck Sizing Bushing to the Expander Mandrel. This is why they are marked and identified this way. EXPANDER MANDRELS ARE ONLY COMPATIBLE WITH SHORT ACTION CUSTOMS MODULAR SIZING DIES. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly. Using an expander mandrel prior to neck turning sizes the case to fit the neck turning mandrels perfectly. 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. I am very pleased with the finished product which allows full trimming in my Redding Form/Trim die or my 300B.O. (verified owner) 06/17/2022. 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. Help. Custom Undersized Mandrel, please specify how many thousandths you would like it undersized in the box below. Required Collet 7mm". 10% off all products for online orders (U.S.A. Orders Only). This is fast and efficient, and so far; no lost cases from expanding. Expander Mandrel 6.5mm (.263"), Increase Quantity of 26cal. SKU:90594 Cartridge * How many thousandths (.xxx) undersized? Thanks for the review Scott; glad were hitting the mark! Our expander mandrels are made .001'' larger than the turning mandrels. 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. I lube the internal necks of either 222 Rem/.223 Rem, or 221 FB with this tapered mandrel.Great job Roger and K&M. $21.50 (out of stock) Each selection allows for selecting an etched press adapter and the corresponding gage pin for that neck tension. Dave is wonderful to work with, understanding the process involved and able to communicate his knowledge well, and I was able to achieve the appropriate size coverage with only four mandrels and associated gage pins. Now subtract the 0.002 or 0.003 from the final size, 0.280-0.003=0.277. Be sure to have your plant builder use Yubei Mandrels because the best equipment produces the best product. Brownells is your source for Turning & Expander Mandrels,Neck Turning at Brownells parts and accessories. rweeks7mm Cookies help us deliver our services. This is an updated "Gen II" design that completely captures the mandrel within the die so the mandrel cannot pull out. 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. We have their necessary FFL information on file and your FFL order will ship directly to them once processed. Performance Dynamics, 901 E Lambert Rd, La Habra, CA (2023) Expanding Mandrels Only-EXPM- - L.E. Wilson 2023. For a listing of our Brownells Europe representatives. We will inform you when the product arrives in stock. 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. Expanding Mandrel (.276"), Increase Quantity of 27cal. 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. } Ensures a seamless transfer of the cartridge neck from the Neck Sizing Bushing to the Expander Mandrel. 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. Requested URL: www.brownells.com/reloading/case-cleaning-prep/case-neck-turning/carbide-expander-mandrels/, User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36. Part Number: EXP- Availability: In Stock. So for this operation i think you will find that should now be 0.004-0.005 under. Expander mandrel | Long Range Hunting Forum 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.