Chambered 300 aac blackout
Made from 4150; parkerized finish
1-8 rh twist button rifled
Carbine length gas system
.750 gas block diameter
5/8-24 threads on muzzle end (the same as for .308 barrels)
Made from 416 stainless steel hardened to 26-32 rc and stress relieved.
1-8 rh twist, button rifled.
Chambered in 5.56 nato (also accepts .223 rounds).
Carbine length gas system .750"diameter under gas block.
Standard 1/2-28 threads for attaching muzzle device.
Comes as seen in picture ..
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