PSA 16" CHF M4 Carbine 5.56 NATO 1:7 Barrel Assembly - 7790521

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PSA 16" CHF M4 Carbine 5.56 NATO 1:7 Barrel Assembly - 7790521

Quick Overview

SKU: 7790521
MFR#: 7790521

Barrel Length: 16"
Gas System: carbine
Barrel Profile:  M4
Barrel Steel: Chrome Molly Vanadium, Cold Hammer Forged
Barrel Finish: Phosphate
Chrome Lining: Yes, bore and chamber
Muzzle Thread: 1/2-28
Chamber: 5.56 NATO
Twist Rate: 1:7
Barrel Extension: M4 
Diameter at Gas Block: .750"
Gas Block:  A2 F-marked sight base 
Barrel Nut:  Standard  M16 

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A proprietary blend of Hammer forged chrome molly vanadium made by FN that is referred to as "Machine Gun Steel" by virtue of its use in FN's M249 and M240 weapons.   The hammer forging process work hardens the steel, making it more durable.  In addition, the chrome process for the bore allows for a lining almost twice as thick as a standard M16 for enhanced durability.  Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system.   M4 profile barrel is Mil-spec phosphate coated, High Pressure tested and Magnetic Particle inspected.  Barrel is finished off with a Barrel nut and Delta ring assembly,  F-marked front sight post and sling swivel ready for your custom upper build.

SKU: 7790521
SKU 7790521
Brand No
SKU: 7790521

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