Barrels

PROOF BBL CF PR15 6.5GREN DI 18 RLGB .750

Caliber: 6.5 Grendel - Type: PR15 - Barrel Length: 18 - Twist Rate: 8 - Gas System Length: Rifle - Gas Journal Diameter: .750 - Thread: 5/8-24 - Weight: 1lbs-13oz

Proof Research 100561 AR-Style Barrel 300 Blackout 16" Carbine Length Gas System 1:8" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

Proof Research 101261 AR-Style Barrel 308 Win 16" Intermediate Length Gas System 1:10" Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped

Fightlite Industries BBL002C 5.56 NATO 16.25" Black Mag Phosphate

Complete barrel assembly for use with MCR rifles and upper receiver assemblies. Includes barrel extension with fixed headspace, gas block assembly, 4 position regulator, piston, flash hider and dovetail cover.

PROOF BBL CF BOLT 308WIN 20 DD DELTA5 DI 1-10

Caliber: 308 Win - Rifle Model: Delta 5 - Barrel Length: 20 - Twist Rate: 10 - Muzzle Thread: 5/8-24

POF UPPER COMPLETE MINUTEMAN 10.5 5.56 BLK

10.5 Barrel with 9 Rail & Carbine Length Lo Pro DI Gas Block

POF UPPER COMPLETE MINUTEMAN 16 5.56 BLK

16.5 Barrel with 14.5 Rail & Mid-Length Lo Pro DI Gas Block

PWS MK114 MOD 1-M UPPER 6ARC 14.5 LS FRC COMP

CMMG DISSENT MK4 UPPER GROUP 300BLK 16.1 BLK

Designed with the goal of utilizing as many existing AR15 components 300BLK gives shooters a variety of .30 Cal power to suit their taste. From subsonic to supersonic loadings with a long list of bullet types to match the 16.1 barrel on this DISSENT�...

CMMG DISSENT UPPER GROUP 9MM 16.1 BLK

CMMG� revolutionized the PCC world with the Radial Delayed Blowback� Operating System now it's the 9mm DISSENT's� turn to shake things up. Combining our patent-pending Compact Action and Radial Delayed Blowback with fixed ejector this DISSENT upper group...

AERO M4E1-T PRO UPPER RECEIVER GROUP 14.5 BLK

AERO M4E1-T PRO UPPER RECEIVER GROUP 14.5 KB

AERO M4E1-T PRO UPPER RECEIVER GROUP 14.5 ODG

AERO M4E1-T PRO UPPER RECEIVER GROUP 16 KB

AERO M4E1-T PRO UPPER RECEIVER GROUP 16 ODG

PROOF BBL Q FIX CF 308WIN 16 1-10

Caliber: 308 WIN - Barrel Length: 16 - Twist Rate: 10 - Muzzle Thread: 5/8-24 - Weight: 2lbs-0oz

Sauer 80118251 505 Barrel 308 Win 9/16"x24

Sauer 80118252 505 Barrel 30-06 Springfield 9/16"x24

Sauer 80118488 505 Barrel 223 Rem 1/2"x28

POF UPPER COMPLETE MINUTEMAN 13.75 300 BLK

The Minuteman Upper includes POF-USA's Mil-SPEC Enhanced bolt carrier and our patented Roller cam pin. These uppers come with our M-LOK compatible Renegade rail. - 13.75 Nitride Pistol Length barrel with pinned Dead Air Keymo Muzzle break low profile gas...

POF UPPER COMPLETE MINUTEMAN 13.75 5.56 BL

The Minuteman Upper includes POF-USA's Mil-SPEC Enhanced bolt carrier and our patented Roller cam pin. These uppers come with our M-LOK compatible Renegade rail. - 13.75 Nitride Mid-length barrel with pinned Dead Air Keymo Muzzle break low profile gas...

PROOF BBL BOLT 308WIN 20 CF SIG CROSS DROP IN

The pre-fit barrels for the Sig Sauer Cross rifle are a game-changer when it comes to ease of installation. Your Sig Cross Pre-Fit barrel comes equipped with the barrel extension for shooters to seamlessly upgrade their existing barrel. Crafted with our...

PROOF BBL BOLT 6MMCREED 20 CF SIG CROSS DROP IN

The pre-fit barrels for the Sig Sauer Cross rifle are a game-changer when it comes to ease of installation. Your Sig Cross Pre-Fit barrel comes equipped with the barrel extension for shooters to seamlessly upgrade their existing barrel. Crafted with our...

Proof Research 134467 Bolt Action Barrel Pre-Fit 308 Win 16" 1:10" Twist (5 Groove), 5/8"-24 tpi Threaded, Carbon Fiber, Drop-In Design for Sig Cross

The times of sending off your Sig Cross to have the barrel changed is over with Proof's drop-in barrel Design! Stand-alone and guaranteed to headspace is achievable at your own home with no gunsmith required!