Home / Firearms Parts for Rifles and Pistols / Mil-Spec Buffer and Spring kit View cart “Cotter Pin Kit (5)” has been added to your cart. Mil-Spec Buffer and Spring kit$15.00 Mil-Spec Buffer and Spring kit Mil-Spec Buffer and Spring kit quantity Add to cart Category: Firearms Parts for Rifles and Pistols Description Description Mil-Spec Buffer and Spring kit Related products Optic Frame Mount for 2011 $125.00 Add to cart 1911 Extended Magazine Release $22.00 Add to cart Cotter Pin Kit (5) $6.00 Add to cart Mil-Spec AR Fire Control Group $20.00 Add to cart