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Proof Research AR-Style Barrel Up to 13% Off w/ Free S&H — 2 models

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Proof Research AR-Style Barrel, Steel, 6.5 Grendel, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle, 100516
Proof Research AR-Style Barrel, Carbon, 300Blk, 12.5in, 7 Twist, 5 Groove, 5/8-24 Thread, Gas Length Pistol, 100523
Proof Research AR-Style Barrel, Steel, 6.5 Grendel, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle, 100516
Proof Research AR-Style Barrel, Carbon, 300Blk, 12.5in, 7 Twist, 5 Groove, 5/8-24 Thread, Gas Length Pistol, 100523
1 of 1 videos
Proof Research Brand Video
Proof Research AR-Style Barrel, Steel, 6.5 Grendel, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle, 100516
1 of 4 images
Proof Research AR-Style Barrel, Steel, 6.5 Grendel, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle, 100516
Proof Research AR-Style Barrel, Carbon, 300Blk, 12.5in, 7 Twist, 5 Groove, 5/8-24 Thread, Gas Length Pistol, 100523
2 of 4 images
Proof Research AR-Style Barrel, Carbon, 300Blk, 12.5in, 7 Twist, 5 Groove, 5/8-24 Thread, Gas Length Pistol, 100523
Proof Research AR-Style Barrel, Steel, 6.5 Grendel, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle, 100516
3 of 4 images
Proof Research AR-Style Barrel, Steel, 6.5 Grendel, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle, 100516
Proof Research AR-Style Barrel, Carbon, 300Blk, 12.5in, 7 Twist, 5 Groove, 5/8-24 Thread, Gas Length Pistol, 100523
4 of 4 images
Proof Research AR-Style Barrel, Carbon, 300Blk, 12.5in, 7 Twist, 5 Groove, 5/8-24 Thread, Gas Length Pistol, 100523

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Questions & Answers
Do these barrels come with a matching bolt? Manufacturer Answer

These barrels do not come with a matching bolt.

by Proof Research, Manufacturer, December 4, 2024
Is it dimpled for gas block? Manufacturer Answer

The barrel does come with a dimple for easy alignment of your gas block.

by Proof Research, Manufacturer, June 22, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
well made excited to get it by Bri, Verified Owner, May 26, 2021
Super awesome well made for long distance barrel. This barrel looks and feel awesome. This will not be my last proof research barrel i buy. Do your research on it and you'll find its a great barrel
1/4 found this helpful
Helpful Positive Review
Proof AR barrel by WLFHNTR, September 1, 2020
Love this barrel, lightweight, sleek. Looks so sharp on the gun and performs great! If you are into looks and functionality in one product these barrels are by far the ones I recommend. They also have the brand to back it, can’t go wrong! 10/10
1/1 found this helpful
Helpful Positive Review
Amazing barrel by Andrew, August 22, 2020
perfect barrel for your next competition build. No problems with it in any way. You know what your are getting when you buy a proof barrel. Used two different match grade ammunition types and both easily produced sub moa results
1/1 found this helpful
Most Recent Reviews
Excellent workmanship. Very accurate. by william, March 17, 2024
Just purchased and installed to BCM upper receiver. Excellent quality. Accurate. Easy break in process Thinking about purchasing another one.
Read All 4 Reviews
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2 Models Available
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Product Info for Proof Research AR-Style Barrel

This Proof Research AR-Style Barrel is a lightweight option for your rifle that will deliver premium results at a lower weight. Proof Research crafted these Rifle Barrels from match-grade carbon fiber that's wrapped around a steel inner tuber to create a stronger, more durable barrel that will withstand the force of a rear-directed bullet impact. Through this innovative process, Proof Research Carbon Fiber Wrapped Barrel Sleeves weld onto the barrel's cold-welded steel inner tuber to create a highly efficient barrel that saves wear and tear. With this high-quality Proof Research AR-Style Rifle Barrel, you'll be enhancing your weapon build with one of the most efficient barrels out there.image

Specifications for Proof Research AR-Style Barrel:

Manufacturer: Proof Research
Color: Silver
Barrel Profile: Contour 0.75GB
Gas Block Journal Size-Diameter: .750 in
Flutes: No
Included Accessories: Standard
Condition: New
Firearms Threads Per Inch: 5/8x24

Features of Proof Research AR-Style Barrel

  • All barrels with Intermediate, Rifle +1, Rifle +2, and Rifle +3 gas systems include the proper gas tube.
  • Our AR-10 barrels use a deep feed system that makes the feed ramps compatible with the feed ramps in the lower receivers of both DPMS Armalite-styletyle rifles.
  • It is recommended to double-check and ensure proper headspace before firing your rifle.

Package Contents:

  • Proof Research AR-Style Barrel

Proof Research AR-Style Barrel Orderable Models

List of Orderable Models

  • Proof Research AR-Style Barrel, Carbon, 300Blk, 12.5in, 7 Twist, 5 Groove, 5/8-24 Thread, Gas Length Pistol, 100523 , MPN: 100523 , UPC: 843068100523 , Code: 2SB-ATB-BRLPRWL-100523
  • Proof Research AR-Style Barrel, Steel, 6.5 Grendel, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle, 100516 , MPN: 100516 , UPC: 843068100516 , Code: 2SB-ATB-BRLPRWL-100516

Proof Research AR-Style Barrel Unavailable & Discontinued Models

List of Unorderable Models

  • Proof Research AR-Style Barrel, Carbon, 223Wylde, 18in, 8 Twist, 6 Groove, 1/2-28 Thread, Gas Length Rifle, 100073 , MPN: 100073 , UPC: 843068100073 , Code: 2SB-ATB-BRLPRWL-100073
  • Proof Research AR-Style Barrel, Steel, 204 Ruger, 24in, 10 Twist, 5 Groove, 1/2-28 Thread, Gas Length Rifle, 109120 , MPN: 109120 , UPC: 843068109120 , Code: 2SB-ATB-BRLPRWL-109120
  • Proof Research AR-Style Barrel, Steel, 204 Ruger, 20in, 10 Twist, 5 Groove, 1/2-28 Thread, Gas Length Rifle, 109113 , MPN: 109113 , UPC: 843068109113 , Code: 2SB-ATB-BRLPRWL-109113
  • Proof Research AR-Style Barrel, Steel, 260Rem, 22in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101186 , MPN: 101186 , UPC: 843068101186 , Code: 2SB-ATB-BRLPRWL-101186
  • Proof Research AR-Style Barrel, Steel, 6CM, 24in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+3, 101513 , MPN: 101513 , UPC: 843068101513 , Code: 2SB-ATB-BRLPRWL-101513
  • Proof Research AR-Style Barrel, Steel, 6CM, 22in, 7 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+3, 101452 , MPN: 101452 , UPC: 843068101452 , Code: 2SB-ATB-BRLPRWL-101452
  • Proof Research AR-Style Barrel, Steel, 6CM, 22in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+3, 101476 , MPN: 101476 , UPC: 843068101476 , Code: 2SB-ATB-BRLPRWL-101476
  • Proof Research AR-Style Barrel, Steel, 260Rem, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101162 , MPN: 101162 , UPC: 843068101162 , Code: 2SB-ATB-BRLPRWL-101162
  • Proof Research AR-Style Barrel, Steel, 260Rem, 24in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101247 , MPN: 101247 , UPC: 843068101247 , Code: 2SB-ATB-BRLPRWL-101247
  • Proof Research AR-Style Barrel, Steel, 6.5CM, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101353 , MPN: 101353 , Code: 2SB-ATB-BRLPRWL-101353
  • Proof Research AR-Style Barrel, Steel, 6CM, 24in, 7 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+3, 101490 , MPN: 101490 , UPC: 843068101490 , Code: 2SB-ATB-BRLPRWL-101490
  • Proof Research AR-Style Barrel, Steel, 6.5CM, 24in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101438 , MPN: 101438 , UPC: 843068101438 , Code: 2SB-ATB-BRLPRWL-101438
  • Proof Research AR-Style Barrel, Steel, 6.5CM, 22in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101384 , MPN: 101384 , UPC: 843068101384 , Code: 2SB-ATB-BRLPRWL-101384
  • DEMO, Proof Research AR-Style Barrel, Steel, 223Wylde, 16in, 8 Twist, 5 Groove, 1/2-28 Thread, Gas Length Intermediate, 101605 , MPN: 101605-DEMO , Code: 2SB-ATB-BRLPRWL-101605-DEMO
  • Proof Research AR-Style Barrel, Steel, 223Wylde, 16in, 8 Twist, 5 Groove, 1/2-28 Thread, Gas Length Intermediate, 101605 , MPN: 101605 , UPC: 843068101605 , Code: 2SB-ATB-BRLPRWL-101605
  • Proof Research AR-Style Barrel, Carbon, 6CM, 22in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+3, 101469 , MPN: 101469 , UPC: 843068101469 , Code: 2SB-ATB-BRLPRWL-101469
  • Proof Research AR-Style Barrel, Carbon, 6CM, 22in, 7 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+3, 101445 , MPN: 101445 , UPC: 843068101445 , Code: 2SB-ATB-BRLPRWL-101445
  • Proof Research AR-Style Barrel, Carbon, 308Win, 20in, 10 Twist, 5 Groove, 5/8-24 Thread, Gas Length Rifle, 101308 , MPN: 101308 , UPC: 843068101308 , Code: 2SB-ATB-BRLPRWL-101308
  • Proof Research AR-Style Barrel, Carbon, 260Rem, 24in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101216 , MPN: 101216 , UPC: 843068101216 , Code: 2SB-ATB-BRLPRWL-101216
  • Proof Research AR-Style Barrel, Carbon, 6CM, 24in, 7 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+3, 101483 , MPN: 101483 , UPC: 843068101483 , Code: 2SB-ATB-BRLPRWL-101483
  • Proof Research AR-Style Barrel, Carbon, 6CM, 24in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+3, 101506 , MPN: 101506 , UPC: 843068101506 , Code: 2SB-ATB-BRLPRWL-101506
  • Proof Research AR-Style Barrel, Carbon, 308Win, 18in, 10 Twist, 5 Groove, 5/8-24 Thread, Gas Length Rifle, 101278 , MPN: 101278 , UPC: 843068101278 , Code: 2SB-ATB-BRLPRWL-101278
  • Proof Research AR-Style Barrel, Carbon, 260Rem, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101148 , MPN: 101148 , UPC: 843068101148 , Code: 2SB-ATB-BRLPRWL-101148
  • Proof Research AR-Style Barrel, Carbon, 260Rem, 22in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101179 , MPN: 101179 , UPC: 843068101179 , Code: 2SB-ATB-BRLPRWL-101179
  • Proof Research AR-Style Barrel, Carbon, 6.5CM, 20in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101346 , MPN: 101346 , UPC: 843068101346 , Code: 2SB-ATB-BRLPRWL-101346
  • Proof Research AR-Style Barrel, Carbon, 6.5CM, 24in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101407 , MPN: 101407 , UPC: 843068101407 , Code: 2SB-ATB-BRLPRWL-101407
  • Proof Research AR-Style Barrel, Carbon, 6.5CM, 22in, 8 Twist, 4 Groove, 5/8-24 Thread, Gas Length Rifle+2, 101377 , MPN: 101377 , UPC: 843068101377 , Code: 2SB-ATB-BRLPRWL-101377
  • Proof Research AR-Style Barrel, Carbon, 204 Ruger, 24in, 10 Twist, 5 Groove, 1/2-28 Thread, Gas Length Rifle, 109106 , MPN: 109106 , UPC: 843068109106 , Code: 2SB-ATB-BRLPRWL-109106
  • Proof Research AR-Style Barrel, Carbon, 223Wylde, 16in, 8 Twist, 4 Groove, 1/2-28 Thread, w/ Luth-AR A3 Assembled Upper Receiver, 101599 , Code: 2SB-ATB-BRLPRWL-101599-KIT1
  • Proof Research AR-Style Barrel, Carbon, 204 Ruger, 24in, 10 Twist, 5 Groove, 1/2-28 Thread, Gas Length Rifle w/ Luth-AR A3 Assembled Upper Receiver, 109106 , Code: 2SB-ATB-BRLPRWL-109106-KIT1
  • Proof Research AR-Style Barrel, Carbon, 204 Ruger, 20in, 10 Twist, 5 Groove, 1/2-28 Thread, Gas Length Rifle, 109090 , MPN: 109090 , UPC: 843068109090 , Code: 2SB-ATB-BRLPRWL-109090
  • Proof Research AR-Style Barrel, Carbon, 223Wylde, 16in, 8 Twist, 4 Groove, 1/2-28 Thread, Gas Length Intermediate, 101599 , MPN: 101599 , UPC: 843068101599 , Code: 2SB-ATB-BRLPRWL-101599
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