KAK CQC AR-15 Pistol Buffer Tube Kit 2.5 oz

The KAK Industry CQC AR-15 Pistol Buffer Tube Kit is for those wanting to make their AR pistol as compact as possible. The CQC buffer system is compatible with 556/223,300 BLK, 762x39, and 9mm. The weight of the buffer and spring rate of the buffer spring mirror a traditional carbine setup. Unlike most short buffer tube setups, the CQC is designed to function with any compatible milspec bolt carrier group. FeaturesCompatible with 5.56/223, 7.62x39, 300 Blackout, and 9mmProprietary short pistol