Nickel Boron M16 Bolt Carrier Group
Shot Peened Bolt
Gas Key Hardened to USGI Specifications
Gas Key Grade 8 Hardened Fasteners
Gas Key Staked Per Mil-Spec
Tool Steel Extractor
Extractor...
LOSOK CUSTOM ARMS .308 BOLT CARRIER GROUP
For AR-10/LR-308 rifles
158 Carpenter Steel Bolt with Nickel Boron Finish
8620 Steel Carrier with Black Phosphate Finish
Made in the USA
Always Armed 9MM Bolt Carrier Group
Made in the USA
Black Nitride Finish
8620 Steel Carrier
17-4 Stainless Steel Firing Pin
Ramped and Compatible with Standard AR15 Hammer
Works with Both...
ALWAYS ARMED 7.62 X 39 COMPLETE BOLT CARRIER GROUP
Made in the USA
Black Nitride Finish
Made from Bolt 9310 Steel and Carrier 8620 Steel
Works with AR15 Milspec Uppers
Always Armed 5.56 NATO/.300 Blackout Bolt Carrier Group
Made in the USA
Compatible with .223/5.56 NATO/.300 BLACKOUT
MPI & HPT
Mil-Spec Bolt Machined from 158 Carpenter Steel
Carrier...