External Extractor. Just Released!! Compatible With Glock & Colt Style Lower Receivers. Specifications for Guntec USA AR 9mm Mil-Spec Nitride Bolt Carrier Group (BCG): Manufacturer: Guntec USA Color: Black Finish: QPQ Salt Bath Nitride Fabric/Material: Mil-Spec 8620 Steel Cartridge: 9mm Luger Gun Make: AR Platform Gun Model: AR-9 Condition: New Weight: 14.9 oz Bolt Material: 9310 Steel Carrier Material: 8620 Steel Features: Dust Cover Compatible Fully Heat Treated 1 Year Warranty Package Contents: Guntec USA AR 9mm Mil-Spec Nitride Bolt Carrier Group
BklynChris –
It jammed or miss fed a few time the first 60 rounds. Then no problem. My little AR9 is rockin and rollin!! Fired 265 rounds in two weekends, now that the weather is getting better. Held steady. I recommend this product!!