Guntec USA AR-15 Micro Porting Compact Muzzlebrake has many micro holes to reduce recoil and the size helps you maintain a compact profile for your weapon. The all steel construction makes it rugged and long lasting, the flats make it easy to install and the 1/2x28 threads fit most ARs.

Specifications and Features:
Guntec USA AR-15 Micro Porting Compact Muzzlebrake SIG510
Multiple Micro Holes To Reduce Recoil
Lightweight
Flat Grooves For Easy Tightening
All Steel Construction
1/2 x 28 Thread Pitch
Made in the USA
Black Finish

Fits:
.223 Remington/5.56mm NATO barrels Threaded 1/2x28