KAK 9MM AR-15 Configurable Buffer Kit

The KAK Industry 9mm Configurable Buffer Kit is perfect for tuning your 9mm blow-back style AR-15. These kits are awesome for working with finicky 9mm builds or working with subsonic ammo. If you think your AR 9mm is not cycling properly due to the buffer system, this kit will help you try different buffer weights. Kit Contains: 1X 9MM EXTENDED STEEL BUFFER BODY 4X ALUMINUM WEIGHTS 4X STEEL WEIGHTS BLACK OXIDE COATED 4X TUNGSTEN WEIGHTS 4X RUBBER SPACER DISKS (1 SPARE) 2X BUFFER BUMPERS (1 SPARE) 2X ROLL PINS (1 SPARE) GREAT FOR 9MM FINICKY BUILDS, FULL AUTO, SPECIAL SUBSONIC WORK ETC Included Spare Parts -RUBBER SPACER DISK -DIFFERENT COLORED BUMPER (TO NOTATE CONFIGURATION) -ROLL PIN This ensures you're able to do many weight swaps.