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...
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...
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...
Always Armed .308 Bolt Carrier Group
Made in the USA
Compatible with DPMS Style AR10 .308
9310 Bolt
8620 Steel Carrier
Salt Bath Nitride Finish
Always Armed 18" AR-10 .308 Barrel
4150...
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
Failzero Lightweight Bolt Carrier Group
Carrier Weighs 6.4 oz/ complete BCG weighs 9.2 oz
Compatible with all MilSpec AR Platforms
Components are EXO NIB
Compatible with 5.56, .223 and .300...