338 ARC AR15 Barrel- 8.5", 416 R Stainless

338 ARC AR15 Barrel- 8.5", 416 R Stainless

SKU:
138-0301-001
$244.95
(1 review)
Current Stock:

Out of stock

Out of Stock
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                   1040 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.

Additional Information
Caliber:
338 ARC
Finish:
Stainless
Length:
8.5"

Reviews

  • 5
    338 Arc 8.5" = Wow

    Posted by Travis on February 11, 2025

    I’ve been using the new 338 Arc 8.5” KAK barrel on my AR, and it’s a suppressed hunting game changer. I'm super impressed for such a compact barrel. The build quality is solid, and it fits perfectly in my setup. Highly recommend for anyone looking to boost performance without compromising on size and it's just a plain dream to shoot.