- Accepts Both Colt & Glock Mags
- Nitrided Finish
- Ramped To Accept Mil-Spec Hammer
- Removable Weight
Compatible with ALL Brands of 9mm AR lowers (Both Glock AND Colt Pattern), BCG is Ramped and can be used with any Mil-Spec Lower Parts Kit. ALL Parts 100% Made in USA
Note: 9mm AR pistols and rifles operate on a blowback system, not direct impingement, therefore gas blocks and gas tubes are not necessary.