7.5” 5.56 NATO – 1:7 Barrel Twist- Parkerized Medium Profile (MADE IN USA)

Features:

?         Length: 7.5″ Pistol

?         5.56 NATO

?         1:8 Twist

?         .750″ gas block diameter

?         Pistol gas system with a 0.07 gas hole diameter

?         1/2″x28 Thread Pitch

?         4150 Chrome Moly Vanadium

?         Parkerized 

?         Made in the U.S.A.

?         Profile: Medium

?         Fits: AR-15