KAK Industry AR-15 H1 Carbine Buffer Tube Kit

The KAK Industry H1 Carbine Buffer Tube Kit (brand part number AR15-KT-004) includes everything needed for the receiver extension on a standard AR-15 carbine or pistol in one package. The kit is built around a Mil-Spec diameter, hard-coat anodized buffer tube, paired with a music wire carbine buffer spring and an H1 Heavy buffer weighing 3.8 ounces, a common upgrade weight for shooters looking to smooth out cycling. A Mil-Spec castle nut and end plate complete the kit.

Key Specifications

• Includes a Mil-Spec diameter buffer tube, hard-coat anodized.
• Includes a music wire carbine buffer spring.
• Includes an H1 Heavy buffer weighing 3.8 ounces.
• Includes a Mil-Spec castle nut.
• Includes a Mil-Spec end plate.
• Built for standard AR-15 carbine or pistol builds.

Frequently Asked Questions

What’s included in this kit? It includes a Mil-Spec buffer tube, a music wire carbine buffer spring, a 3.8-ounce H1 Heavy buffer, a Mil-Spec castle nut, and a Mil-Spec end plate.

What does an H1 buffer weight do? An H1 buffer adds weight over a standard carbine buffer, which many shooters use to smooth out cycling and reduce felt recoil.

Buy the KAK Industry AR-15 H1 Carbine Buffer Tube Kit

Complete your carbine build’s receiver extension in one kit. Order the KAK buffer tube kit from our AR buffer system lineup, shipped fast from our Lubbock, Texas gun shop.