The Sanders Armory .458 SOCOM BILLET Side Charge Upper Receiver with Nitride BCG is a custom receiver made from 7075 T6 Grade Billet Aluminum with Mil-A-8625 Type III Hard Coat Anodized Finish and M4 Feed Ramps. This side charging upper receiver assembly will fit and accept any Mil-Grade/Mil-Spec lower receiver and barrels. The Bolt Carrier Group (BCG) is a dedicated custom Side-Charging AR-15/M16 Nitride Bolt Carrier with Mil-Spec .458 SOCOM bolt head. The Bolt is “true” Mil Spec dimension and external surfaces are CNC ground after heat treat for a precision fit and made with case Hardened 9310 Steel with Nitride Finish, Hardened 4340 cam pin, Mil Spec firing pin made of 8740 steel, center-less ground and Hard Chrome coated, custom Side-Charging Handle is fortified and made of 4140 Chrome Moly with a Nitride Finish and blow back port door cover. Made in the USA!
Billet Side Charging Upper Specs:
- 7075-T6 Billet Aluminum
- Mil-A-8625 Type III Class 2 Hard Anodized Finish
- M4 Feed Ramps
- Blow Back Port Door
.458 SOCOM Mil Spec Nitride Bolt Carrier Group Specs:
- Bolt Carrier – 9310 Steel with Nitride Finish
- Bolt – 8620 Steel
- Handle – 4140 Chrome Moly with Nitride Finish
NO shipping to Hawaii, Alaska or Canada! NO international shipping all must be within the 48 Contiguous United States! NO APO/PPO/FPO’s.