9mm Adapter for Colt Pattern Mags. All Metal. We use these and have no problems. Very Reliable.

Samurai and SF Criterion 9mm Barrels made in-house.

1-10 Twist.

Samurai Firearms are 4150 Steel button rifled and QPQ Nitrided

Samurai Firearms Stainless are 416R Stainless Steel are Button Rifled and Polished Finished

SF Criterion Barrels 4150 Steel are Button Rifled and Handlapped and QPQ Nitrided

Updated 07/26/2022 Due to popular demand we are again installing the barrel extension index pin!

Measurement on 9mm Barrels is full overall length which is approx. 1/2 inch shorter than Standard AR-15 5.56 Barrels if including the Barrel Extension. This is Industry Standard for 9mm Blowback Barrels

Barrel diameter at muzzle is .700.

Available in 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, 10.5, 11.5, 12.5, 13.7, 14.5, and 16.

Optional: Threaded 1/2x36 or Threaded 1/2x28

Starting at $140.00