Proof Research 6.5 Grendel CF Bolt Blank Barrel 20in 1:8 Medium Contour 5/8-24
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Match-grade barrel blank from Proof Research.
- Material: double-stress relieved 416R stainless steel
- Pre-hardened chromium steel
- Drilled, contoured, and reamed to bore diameter; cut rifled, lapped, and borescope inspected
- Length: 20 in
- Caliber: 6.5 Grendel
- Twist rate: 1:8
- Threading: 5/8-24
- Contour: Medium
- Gas system length: Rifle
- Gas block diameter: 0.75 in
- M4 feed ramps: Yes
- Chrome lined: No
Specifications
- Manufacturer:
- Proof Research
- Category:
- barrel
- Caliber:
- 6.5 Grendel
- Platforms:
- AR-15
- Interfaces:
- Muzzle thread: 5/8-24
- Weight:
- 2.81 oz
- Length:
- 20.0"
- Estimated velocity:
- 2,490-2,990 fps
- UPC:
- 843068112878
- Required Component:
- Yes
Estimate only. Based on caliber + barrel length bucket. View details
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