338 ARC AR15 Barrel- 8.5″, 416 R Stainless

Description

• Chamber- 338 ARC, compatible with type II 6.5G bolt face

• Length- 8.5″

• Gas system- Pistol Length

• Gas Block Size- .750

• Threads- 5/8-24

• Finish- Bead blasted matte grey

• Twist- 1:8

• Material-416R Stainless

• Extension-M4

• Marked for Caliber and Twist

• Weight- 18.7 oz

• Barrel is Dimpled for Gas Block Set Screw

• Fully Made In House From KAK Industry Produced Blanks

KAK recommends 400 legend mags for these barrels to function best with the 307 subsonic ammunition bullet profile

Velocity Data with OUR Barrels Using Factory Hornady supers and subs

Note- This data is on brand new barrels, you can expect velocities to increase once they break in

            175 gr supersonic      307 gr Subsonic

16″       2075 FPS                   1030 FPS

10.5″    1940 FPS                   1014 FPS

8.5″      1850 FPS                   1003 FPS

Note- We gas our barrels to run subsonic ammunition with a suppressor, a suppressor is required for full functionality when shooting subsonic rounds.