Proof Research PR15 Stainless Steel Barrel 6mm ARC 20in RIFLE+1 Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove
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Proof Research
Overview
The Proof Research PR15 Stainless Steel Barrel in 6mm ARC is a 20-inch rifle-length barrel designed for precision and reliability. With a 1-7.5 twist rate, it stabilizes a range of bullet weights, making it suitable for both target shooting and hunting applications. The 5/8x24 thread pitch allows for easy attachment of muzzle devices, enhancing versatility for various builds. This barrel is commonly found in precision-oriented setups where accuracy and performance are prioritized.
Specifications
Proof Research PR15 Stainless Steel Barrel 6mm ARC 20in RIFLE+1 Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove
Build history on GunPartPicker
Builders on GunPartPicker first added the Proof Research PR15 Stainless Steel Barrel 6mm ARC 20in RIFLE+1 Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove to a build in May 2026.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 6 retailers we track have it in stock. Prices barely moved in August 2026, holding around $493.49, so there haven't been real sales lately. Buying today, the lowest price is $493.49 at Ammunition Depot, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Builds Featuring This Part
See all 1 →Builds in the community that include the Proof Research PR15 Stainless Steel Barrel 6mm ARC 20in Rifle+1 Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove
| Build | Parts | Total |
|---|---|---|
 | 14 | $1369.45 |
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