Shop › KAK BUFF/SPRN KT M16 K5 K-SPEC 4.7OZ KAK BUFF/SPRN KT M16 K5 K-SPEC 4.7OZ $35.99 KAK Industry K-SPEC Enhanced, Buffer and Spring Kit, 4.7oz Gray Tip Buffer, Anodized Finish, Olive Drab Green, A5 Style Length 522-0704-109 Quantity: Add To Cart Added! KAK Industry K-SPEC Enhanced, Buffer and Spring Kit, 4.7oz Gray Tip Buffer, Anodized Finish, Olive Drab Green, A5 Style Length 522-0704-109