CALIBER: 5.56 NATO
BARREL LENGTH: 16"
BARREL MATERIAL: 4140CM
BARREL FINISH: PHOSPHATE
TWIST RATE: 1/9
THREAD PITCH: 1/2 X 28
GAS SYSTEM: CARBINE
GAS BLOCK DIAMETER: .750
BCG: NITRIDE
MUZZLE DEVICE: A2 BIRDCAGE
1 Review
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My Second APF
There products are top notch and function flawlessly. No regrets in my purchases.
