KEYSTONE MACHINE CORPORATION
Affordable Quality Products
World Class Standards
10-22 BARREL ADAPTER
22A MUZZLE-END ADAPTERS
Adapters for 1/2-28, 3/4-16, and Colt M4 .22
M&P COMPACT BARREL ADAPTER
3/8-24---1/2-28 Barrel Adapter
9MM, .45, AND 30 MUZZLE-END ADAPTERS
1/2-28, 5/8-24, 3/4-16, and Colt M4 22LR
Linear De-coupler for 9MM, .40, and .45 pistols
KEYSTONE MACHINE CORPORATION TESTS AND TESTIMONIALS
Take a look at our test videos and find out what our customers think of KMC suppressors.
A FUTURE 22A OWNER
You will need to turn your volume way up to hear this shot.
Check out this 9MM Combo on a 300 Blackout.
The 22A Gen2 works great on a S&W 22LR Compact or any 22LR pistol with a threaded barrel.
Demonstration of the 9MM Combo on multiple guns.
Demonstration of the KMC 30 on a 300 Blackout and a .308 Savage.
Who We Are
Keystone Machine is an Idaho company. All work is done on site in our shop. We welcome enthusiasts who would like to come out and demo our suppressors.