SAC MODULAR MANDREL SIZING DIE
SKU: 74713399196

SAC MODULAR MANDREL SIZING DIE

Sale price$166.50 Regular price$185.00
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Description

SAC MODULAR MANDREL SIZING DIEThe Modular Sizing Die has a unique design where the cartridges body geometry is sized by the die body, the cartridges shoulder and neck geometry are sized by a Neck Shoulder Bushing. This allows one die body to be used for the whole cartridge family. Furthermore, the Modular Sizing Dies are precision machined with the main focus of properly sizing your fired brass. Our resizing dies will size the base of the cartridge slightly more than the shoulder.

“The Modular Sizing Die” has a unique design where the cartridge’s body geometry is sized by the die body, the cartridge’s shoulder and neck geometry are sized by a “Neck / Shoulder Bushing”. This allows one die body to be used for the whole cartridge family.

Furthermore, the Modular Sizing Dies are precision machined with the main focus of properly sizing your fired brass. Our resizing dies will size the base of the cartridge slightly more than the shoulder.

After studying precision CNC machines and tooling, we designed the Modular Sizing Die to utilize a series of shallow tapers, not threads to properly center and secure the Solid Decapping Pin. Our tapered geometry offers unparalleled concentricity and repeatability.

Last but not least, we designed the cartridge sizing geometry to size a little more at the base and a little less at the shoulder when compared to most resizing dies on the market. In properly sized rifle chambers, this helps eliminate extraction issues of fired brass. Our shoulder sizing geometry and helps minimize case runout and over working of the brass by not sizing the shoulder too much.

MODULAR SIZING DIE ASSEMBLY
  • Modular Sizing Die Body: Standard 7/8 x 14 threads, 17-4 Stainless Steel, Special Salt Bath Nitride finish for increased lubricity and performance compared to other resizing dies on the market.
  • Solid Decapping pin: Designed to be slightly smaller than bullet diameter, the Solid Decapping Pin WILL NOT expand sized necks, however, will fix dented necks, increasing neck uniformity. Utilizing a .058” nominal diameter pin tip to fit in small primer flash-holes. The Solid Decapping Pin can be set to any pin tip protrusion or by simply adjusting the wide mouth retaining clips position.
  • Knurled ER11 Top Cap: ¾ x 24 Threads tighten the Knurled ER11 Top Cap into the die body, compressing the supplied ER11 collet which properly secures the Decapping Pin or Expander Mandrel ensuring the utmost concentricity.
  • ER11 Collet: Commercially available ER11 collet to secure a variety of Decapping Pin and Expander Mandrel diameters.
  • Taper Adapter: When the Knurled ER11 Top Cap is threaded into the die body, it seats the ER11 Collet into the Taper Adapter, in turn securing the Decapping Pin or expander mandrel. The Taper Adapter sits directly above the Neck / Shoulder Sizing Bushing, allowing the Neck / Shoulder Sizing Bushing to float.
  • Neck / Shoulder Bushings: Available in many caliber specific neck diameters. Special .001” shims can be placed above the Neck / Shoulder Bushing to adjust headspace without threading the die in or out. Like traditional dies

Die Specs 

223 REM

  • 223 REM Modular Sizing Die
  • 223 REM Neck/Shoulder Bushing - .245 (223 REM)
  • .2225 Expander Mandrel (22Cal)

6 BR

  • BR Modular Sizing Die
  • BR Neck/Shoulder Bushing - .265 (6 BR)
  • .2405 Expander Mandrel (6mm)

6 BRA

  • BRA Modular Sizing Die
  • BRA Neck/Shoulder Bushing - .265 (6 BRA)
  • .2405 Expander Mandrel (6mm)

6 DASHER

  • DASHER Modular Sizing Die
  • DASHER Neck/Shoulder Bushing - .265 (6 DASHER)
  • .2415 Expander Mandrel (6mm)

6 ALPHA DASHER

  • ALPHA DASHER Modular Sizing Die
  • ALPHA DASHER Neck/Shoulder Bushing - .264 (6 ALPHA DASHER)
  • .2415 Expander Mandrel (6mm) 

6 GT

  • GT Modular Sizing Die
  • GT Neck/Shoulder Bushing - .266 (6 GT)
  • .2415 Expander Mandrel (6mm) 

6X47 LAPUA

  • X47 LAPUA Modular Sizing Die
  • X47 LAPUA Neck/Shoulder Bushing - .266 (6X47)
  • .2405 Expander Mandrel (6mm)

 6 CREEDMOOR

  • CREEDMOOR Modular Sizing Die
  • CREEDMOOR Neck/Shoulder Bushing - .265 (6 CREED)
  • .2415 Expander Mandrel (6mm)

25 GT

  • GT Modular Sizing Die
  • GT Neck/Shoulder Bushing - .279 (25 GT)
  • .2555 Expander Mandrel (25 cal) 

25X47 LAPUA

  • X47 LAPUA Modular Sizing Die
  • X47 LAPUA Neck/Shoulder Bushing - .279 (25X47)
  • .2555 Expander Mandrel (25 cal)

25 CREEDMOOR

  • CREEDMOOR Modular Sizing Die
  • CREEDMOOR Neck/Shoulder Bushing - .279 (25 CREED)
  • .2555 Expander Mandrel (25 cal)

6.5X47 LAPUA

  • X47 LAPUA Modular Sizing Die
  • X47 LAPUA Neck/Shoulder Bushing - .286 (6.5X47)
  • .2615 Expander Mandrel (6.5mm)

6.5 CREEDMOOR

  • CREEDMOOR Modular Sizing Die
  • CREEDMOOR Neck/Shoulder Bushing - .286 (6.5 CREED)
  • .2625 Expander Mandrel (6.5mm) 

 6.5 PRC

  • 6.5 PRC Modular Sizing Die
  • PRC Neck/Shoulder Bushing - .288 (6.5 PRC)
  • .2625 Expander Mandrel (6.5mm)

7/6.5 PRC

  • 6.5 PRC Modular Sizing Die
  • PRC Neck/Shoulder Bushing - .309 (7/6.5 PRC)
  • .2830 Expander Mandrel (7mm)

7 PRC

  • 7 PRC Modular Sizing Die
  • PRC Neck/Shoulder Bushing - .308 (7 PRC)
  • .2815 Expander Mandrel (7mm)

308 WIN

  • WINCHESTER Modular Sizing Die
  • WINCHESTER Neck/Shoulder Bushing - .330 (308 WIN)
  • .3065 Expander Mandrel (30cal) 

300 PRC

  • 300 PRC Modular Sizing Die
  • PRC Neck/Shoulder Bushing - .334 (300 PRC)
  • .3050 Expander Mandrel (30cal)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 74713399196

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Rhi
New York, US
★★★★★ 5
Fur baby approves.
Size: 41.3 x 27.5, Color: Grey, Size: 41.3 x 27.5, Color: Grey
Price is right. Soft and squishy night for my chonk of a dog. She’s a big girl, weighs 140lbs. Fits her size nice. Treat your furbaby to a comfortable bed.
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Reviewed in the United States on May 25, 2026
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Functional-ish Hippo
Draper, US
★★★★★ 4
Nice doggy beds for the fur-babies!
Size: 41.3 x 27.5, Color: Grey, Size: 41.3 x 27.5, Color: Grey
This is nice, soft and fluffy, the fur-babies seem to love it. It does shed a lot so far. Females have been fluffing it themselves (dig/scratching) and has seem to be holding up well. These arrived vacuumed sealed. I was a little worried there would be a strong scent but was pleasantly surprised they aired out very well. I think these will be a nice addition to my fur-babies kennel. I only wished I would have sized up one more for a better fit for my kennel that’s interiorly 53x45. I think these 47x35 instead of 41x27 would have fit better. Other than the shedding and (my fault) the sizing I think they are great. I think a removable cover would have been nice but these are priced right I could always just buy again if need be.
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Reviewed in the United States on February 13, 2026
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Savannah
Omaha, US
★★★★★ 5
Soft Dog Bed, Great Quality!
Size: 35.4 x 23.6, Color: Grey
Very fluffy and soft dog bed, our Corgi and cat loves sleeping on this little bed. Great quality, perfect size, soft, and feels great.
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Reviewed in the United States on May 29, 2026
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Dulcinea Allen
Boise, US
★★★★★ 5
Very happy!
Size: 41.3 x 27.5, Color: Grey
Buy this bed! My fur son is a destroyer. Toys, balls, beds. Nothing is safe. Knock on wood, this bed has held up to his destructive behavior. And it’s so fluffy! It is big enough that I don’t think it’s going to fit in my washer. I will have to take it to the laundry mat to wash it eventually. At that point I will update on true durability. But all in all I find it to be a quality purchase.
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Reviewed in the United States on April 13, 2026
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jim
Lexington, US
★★★★★ 5
Doo
Size: 35.4 x 23.6, Color: Grey
This dog bed is super fluffy. The cat loves it also. Size was perfect for my med dog she weighs 49lb. We have had it for month or so and both the dog and cat use it over there old bed. It has remained super fluffy. Worth the bang for the buck!
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Reviewed in the United States on May 13, 2026

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