Kak AR15/AR9 9mm Carbine Buffer Kit

KAK Industry AR15 9mm Carbine Buffer Tube Kit. The KAK Industry 9mm carbine buffer tube kit includes everything you need for the receiver extension on your 9mm AR15 carbine or pistol.

• Mil-Spec diameter buffer tube - hard coat anodized
• Music wire carbine buffer spring
• 9mm buffer - 5.4oz
• Mil-Spec castle nut
• Mil-Spec end plate