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PROOF Research PR10 20" 6.5 Creedmoor Carbon Fiber Rifle+2 Barrel (100042) on a AR-10

AI illustration of a similar part on the gun.

AR-10 · Barrel

PROOF Research PR10 20" 6.5 Creedmoor Carbon Fiber Rifle+2 Barrel (100042)

$999

Build with this part

Opens the builder with this part fitted. Other parts change only if they have to.

Specs

Length (in)20
Caliber65cm
Gas systemrifle+2
Thread5/8x24
PatternDPMS

Pros and cons

Pros
  • Rifle+2 gas gives soft, smooth cycling
  • Carbon wrap cuts weight on a 20 in barrel
  • Match chamber with 1:8 twist for long range
Cons
  • About $1,000
  • Rifle+2 gas needs a matching gas tube

Other barrel options