Shop › ANGSTADT 9MM BUFFER KIT BLK ANGSTADT 9MM BUFFER KIT BLK $52.00 Angstadt Arms 9mm Buffer Kit, 5.4oz 9mm AR-15 Carbine Buffer Assembly, Carbine Buffer Spring, 9mm Buffer Spacer, Compatible with Both Glock and Colt Style Magazines, Anodized Black Finish AA09BUFKIT Add To Cart Added! Angstadt Arms 9mm Buffer Kit, 5.4oz 9mm AR-15 Carbine Buffer Assembly, Carbine Buffer Spring, 9mm Buffer Spacer, Compatible with Both Glock and Colt Style Magazines, Anodized Black Finish AA09BUFKIT