SOLD — 12.5" Rainier Arms Mountain series(mod 2) barrel in 5.56 - These are midlength gas. Ran it with suppressor (~150rds) and without suppressor(~100rds) and it functioned flawlessly with both. Really nice barrel but I went with 2 different setups instead of this one so getting rid of it. I had it in an aero upper and it was a nice tight fit. Barrel is dimpled on the bottom for gas block.
$225 Shipped
Surefire Warcomp 5.56 - $120 Shipped
$225 Shipped
Surefire Warcomp 5.56 - $120 Shipped
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