Weight 1Lb 2.1oz - Forward Porting Enlarged Vents. - Balanced flared boss. - 8620 Carrier Heat Treated Hard Turned. - MPI 9310 Bolt Hard - Turned / Ground. - NiB UCT EXO Coating. - CP-R360-H Domed Cam Pin - Mil-Spec Gas Rings - Mil-Spec Staked Gas Key - Grade 8 Hardened Fasteners - All Hard Chrome surfaces are to MIL-STD-171 220.127.116.11 - Lifetime Warranty. - Made in the USA.
Determined at checkout.