PROOF Research 138687 .308 1:10 Twist 5/8-24 Extra Barrel

PROOF Research 138687 .308 1:10 Twist 5/8-24 Extra Barrel

PROOF RESEARCH
SKU:
138687
|
UPC:
843068138687
$999.00
(No reviews yet)
Width:
5.80 (in)
Height:
3.10 (in)
Depth:
25.20 (in)
Condition:
New
Current Stock:
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Description
PROOF 138687 308 16.5 10TW 5/8-24

Upgrade or configure a compatible firearm with the PROOF Research 138687 extra barrel. Chambered for .308 and built with a 1:10 twist rate, this barrel is suited to setups that require a dependable .308 platform and a twist specification commonly selected for a broad range of bullet weights. The 5/8-24 muzzle thread provides a standardized threaded interface for compatible muzzle devices and accessories. Confirm firearm compatibility, chamber requirements, and muzzle-device fitment before installation.
The PROOF Research 138687 is identified as an extra barrel, making it a practical component for a compatible build, replacement configuration, or alternate setup. Its clearly defined caliber, twist rate, and thread pattern simplify selection when matching the barrel to an existing firearm system. The barrel is supplied under PROOF Research part number 138687, allowing for straightforward reference during product research and compatibility checks. Professional installation and proper headspace verification are recommended before use. Follow all applicable firearm safety procedures and manufacturer instructions.

Features:

  • Caliber: .308
  • Twist Rate: 1:10
  • Muzzle Thread: 5/8-24
  • Product Type: Extra barrel
  • Brand: PROOF Research
  • Part Number: 138687
Additional Information
type:
E X Tra Barrels