   Genuine Hodge Defense Barrels built by FN to meet Hodge Defense specs! This barrel being used on the Hodge AU Mod 2 rifles. Utilizing FN's proprietary steel and technology, these barrels were designed to Jim Hodge's demanding specifications and optimized for the military's M855A1 EPR ammunition which is much more demanding on barrels.M855A1 rounds operate at about 62,000 PSI (over 55k from M855) and are designed to perform to an expected standard of terminal performance and barrier penetration over a broader range of engagement distances; whereas previous ammunition was being criticized for being unstable and not providing consistent performance outside of a narrower optimal range. The AU Mod 2 has been optimized for running M855A1 EPR, and this barrel is at the heart of that system. Note: this barrel is designed for hot 5.56 NATO and suppressor use, which may require a standard or light buffer/spring for less powerful ammunition. Features: • Proprietary Midweight Profile (close to Government profile) • Military spec gas port with proprietary sizing optimized for use with 5.56 NATO spec ammo and suppressors • 1/2x28 Threaded Muzzle • Phosphate coated, Chrome Lined Barrel • 1:7 Twist • 0.750" Gas Block Journal • M4 Feed Ramps Barrel Gas Systems and Sizes: • 11.5 Inch: Carbine-Length Gas System, Optimized for Military/hot ammo and Suppressors •12.5 Inch Small Port Gas System (approx. 0.0625): Carbine-Length Gas System, Optimized for Military/hot ammo and Suppressors •12.5 Inch Large Port Gas System (approx. 0.0645): Carbine-Length Gas System, Ideal for wider range of ammo types • 14.5 Inch: Mid-Length Gas System, Optimized for Military/hot ammo and Suppressors • 16 Inch: Mid-Length Gas System, Optimized for Military/hot ammo and Suppressors Designed specifically for use with the SLR Rifleworks GB-7 Pin Micro Block (available separately) Made in the USA. NFA NOTICE: Once this barrel is assembled into a complete firearm, it becomes a regulated item by the National Firearms Act (NFA). Check with your local and state laws for any further regulatory requirements. The buyer is responsible for compliance of all NFA rules and applicable laws. |
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 Link to SLR GB-7 Pin Micro Gas Block |
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