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Expanding Mandrel (.203"), Increase Quantity of 20cal. 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. Sat & Sun: Closed. Save my name, email, and website in this browser for the next time I comment. Price reflected in cart. Remember actual brass springback is a difficult thing to know beforehand. Brownells ensures a seamless transfer of the cartridge neck from the Neck Sizing Bushing to the Expander Mandrel. All rights reserved. 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. 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. Our neck turning tool mandrels are made from high grade stainless steel on Precision turning centers. 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 press to Our Neck Expanding Mandrels are designed to fit both the 21st Century Shooting and Sinclair Expander Dies. Expander Mandrels - 7mm Cartridges - Short Action Customs, LLC. event : evt, In addition to good products they have great customer service. from 6mm Neck Up Mandrel (.307"), Decrease Quantity of 338cal. Our neck turning tool mandrels measure approximately about .002'' less than the bullet diameter for the caliber. Sinclair Expander Mandrel Die Test | Long Range Hunting Forum 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 stocking most sizes we aim to ship next business day! Dip the neck in dry lube and make sure there is no crap in your shell holder. Whether we're upgrading mandrels on aging slitting lines, increasing pickling line capacity, or eliminating unplanned maintenance downtime, we can ensure our mandrels meet your business needs. Custom Rod Guide; Remington and Kelbly (Bolt Dia .695 - .700) BAT Actions (Bolt Dia. Expander Mandrels - 30 Cal. Cartridges - Short Action Customs 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. Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. Stainless Parts for a Long Lasting Finish. Speaking of, no waiting to talk to a real person also. Our company offers a wide range of surface treatment technologies on mandrels, including ion nitriding, carbide coating, and chrome plating. (verified owner) 12/05/2022. 2023. Help me choose a press adapter to hold an expand mandrel for neck sizing. Expander Mandrel 6.5mm (.263"), Increase Quantity of 26cal. What Size Mandrel? | Shooters' Forum 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. Second wide, Changji and other high speed through the territory, geographical conditions are superior, road traffic is developed, rich tourism resources. 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. Please select from the options above to see detailed specifications. Rest assured, you will still benefit from our vast product selection and industry-leading customer service. The large-cal window riser is through the first prototype and now working on design updates for rev 2. All our products are made in the United States. forms: { Now the annual output has reached more than 150 sets, and it is one of the enterprises that process more winding shafts in this industry in China, and the quality all reach the industry standard. Expander Mandrels - 7mm Cartridges $50.00 or 4 interest-free payments of $12.50 with Expander Mandrels are only compatible with SAC Dies. Our company has advanced processing technology, strong technical and equipment strength, with the rolling mill industry open, close reel and mandrels as the main product. 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. Copyright var date = new Date(); document.write(date.getFullYear()); L.E. window.mc4wp = window.mc4wp || { However, the neck inside diameter needs to be slightly smaller so the expand mandrel can properly size the brass. After expanding use the corresponding gage pin to confirm the neck sized as expected. Reloading dies at the time offered tapered expander to make 6.5mm and 7mm mouths from available 223 brass. So you will probably need to use something like this to gain much more consistent bullet grip. Hopefully well have this out before 2022 (or 2023 in these crazy times!). 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 stroke of the 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. NOTE: If you do not currently have a 7mm ER11 Collet installed in your die, you will need to purchase one! 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. If you are also using the reloading dies with the interchangeable neck size bushing those dies usually do not have an internal expander system at all. After expanding use the corresponding gage pin to confirm the neck sized as expected. 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. Sinclair Carbide Neck Expander Mandrels are ground from solid carbide stock, which yields closer tolerances and more lubricity. All rights reserved. #1. Specialties: We specialize in alterations ranging from small cosmetic repairs to custom tailoring an outfit to fit you for any occasion. I use the expander mandrel along with the turning mandrel to get the best fit while turning the necks. Dave @ K&M Every product I have purchased has been of the highest quality. Expander Mandrels and Neck Tension - AccurateShooter.com Jig with chop saw. 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. Dies already include the 5/16 Collet needed to use the Expander Mandrels. Your friend will receive an email from you with a link to our site. window.mc4wp = window.mc4wp || { Please complete the fields below to send your friend a link to this product. Established in 1942. Expanding Mandrel Die-EXP- - L.E. Wilson All the K&M products Ive put on the shelf in my shop are superb. Copyright 2023 Lee Precision, Inc.. All rights reserved. FOREVER. Category suggestion. Art's Music Shop 4647-O Hwy 280S Birmingham, AL 35242 Tel: (205) 995-8376 We will will be releasing for sale more of the Berger bullets next week. 21st Century Innovation: Bruno Shooters Supply Tool Notes: Download Tool Instructions After selecting the caliber, select each bullet tension expand mandrel desired for your kit. Furthermore, the precision ground expanding detail is high up in the die, slightly below the cartridges neck / shoulder detail. rweeks7mm If you need an additional collet they can be purchased separately HERE. If there is anything in your cart, it will not be brought over to the old site. +86-0391-219-7289 +86-155-1470-8691 The NEW Wilson Expanding Mandrel SizingDie. } We have found this is the easiest method to greatly reduce your extreme spread (ES) and standard . huang_wan Theme: Alpha Store by Themes4WP. Whether your process requires a tough, wear-resistant surface, a smooth and polished look, or a rough and durable outer shell, weve got you (and your mandrels) covered. Standard 7/8ths Reloading Press. - custom hole fit per caliber (.30 cal shown). Expand Mandrels for Bullet/Neck Tension Builder - K+M Precision Your email address will not be published. NOTE: If you do not currently have a 5/17ER11 Collet installed in your die, you will need to purchase one! By using our services, you agree to our use of cookies. After selecting the caliber, select each bullet tension expand mandrel desired for your kit. Expander Mandrel Size 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. Dont expect anything more. Also if you are annealing brass properly there definitely will be less springback than regular. Both the expand mandrel and the press adapter are laser-etched with the caliber and the bullet tension for easy identification. Michigan. (verified owner) 01/26/2023. 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. I had used a Wilson expander mandrel for 6.5 CM and recently acquired a 21st Century expander in black nitride. Monday is a public holiday in QLD, so probably not then. { I worked with them to get proper tension for my 50 BMG and the mandril is spot on for my brass. 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. James Andrew Luna is a . (verified owner) 01/23/2023. (function() { listeners: [], Select any or all items; 9 mandrels will fill a case. These tool are especially helpful for those reloaders who choose not to outside neck turn their brass to uniform wall thickness. If you buy a product from us and decide to return it, well take it back at any time with very few exceptions. All are welcome! .17 to .50 cal (21 calibers) and bullet tension from .0010 .0050 in .0005 increments! Are you buying a new slitting, pickling, cold rolling, or another processing line? SKU:90594 Cartridge * How many thousandths (.xxx) undersized? The APW Expander Mandrel will smooth out and slightly expand the case neck so the brass will be ready for consistent neck tension. Not the actual measured size of the mandrels themselves! I full length re-size after each shoot and have used both Hornady and CH4D dies with included expander balls. Be sure to have your plant builder use Yubei Mandrels because the best equipment produces the best product. Spot on products. Location. Custom EZ X Expander, for the full length sizing die. 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. Your email address will not be published. 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. Decapping Expanding Mandrels - Short Action Customs, LLC. I appreciate your input here, by e-mail, and discussions on the phone. Consistant bullet grip plays a critical role in consistent accuracy and velocity. 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. Setting neck tension with expander mandrel and bushing die questions New brass cases are often damaged when shipped in bulk, this die will give you a consistent neck diameter on your cases. My Hornady New Dimentions dies include a tapered expander ball but I needed an external method. Performance Dynamics, 901 E Lambert Rd, La Habra, CA (2023) 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. If you are using with reloading die having the interchangeable neck bushings, a smaller size bush than regular will work best for you when combined with using these expanders. It's Monday 9:46 PM Sorry, we're CLOSED. 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. 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).