.7-8 gas blocks tubes 8-11 barrels ... gear 57-63 gunsmithing tools 64-69 cleaning supplies ... components are manganese phosphate parkerized with a uniform matte black finish ... barrel bolt/carrier front sight steel parkerized matte black charging handle 7075 t6 ... coated black bolt/carrier 4140 steel parkerized matte black barrel 4140 chrome-moly ... steel parkerized matte black or 416 stainless steel ... sights specs barrel std 4140 steel parkerized finish gray .725 dia at the muzzle ...
l ar-15/m16 kamjib gas blocks tubes fchdegabcdefghijklm #100-003-136ee ... position hard manganese phosphate parkerized finish adds strength and resists ... barrels a b specs 4140 carbon steel parkerized matte black fits ar-15/m16 with .750 o ... barrel includes mounting bolts and gas tube pin #100-003-996ee low-profile gas ... vst is precision machined from solid tool steel to provide reliable function of ... easy-to-adjust with the included sight tool a b specs steel magnesium phosphate ... ak-style front sight adjustment tool fits .750 1.9cm diameter barrels #100- ... 4140 steel with manganese phosphate parkerized finish sight tower is machined from ... dark gray a b specs base 4140 steel parkerized dark gray finish sight tower 6061 t6 ...