Rubber City Armory
Home Order Now FAQ's Policies Warranty Contact
Rubber City Armory on Facebook
UPGRADE YOUR WEAPON SYSTEM
WITH THE BEST.

Blacknitrideplus℠

Blacknitride℠┬áprocessing and polymeric adsorption increase wear properties, steel strength and increase the life of all treated components.

Rubber City ArmorEnhanced Bolt Carrier Group
with BlacknitridePlus℠ processing

Rubber City Armory's Enhanced Bolt Carrier Group is "drop-in ready"
for M16/AR15 weapons. The enhanced features of RCA's Bolt Carrier
Group give law enforcement, military and security professionals
performance, reliability and the advantage in times of need.

Manufactured to meet and exceed DoD MiL-Spec 961 standards, our
Enhanced Bolt Carrier Group is designed to provide tens of thousands
of rounds of reliable performance.

enhanced bolt carrier group

Each Rubber City Armory Bolt Carrier Group Includes:

  • Carrier with Staked Gas Key
  • Complete Bolt
  • Cam Pin
  • Cam Pin
  • Retaining Pin

ORDER YOURS TODAY

Rubber City ArmorStainless steel Firing pin
with BlacknitridePlus℠ processing

stainless steel firing pin

Enhanced firing pin improves ignition
reliability. Made from 17-4 Stainless Steel.
Heat Treated to: 40-44RC.

BLACKNITRIDE+ PROCESS. LIFETIME WARRANTY.

ORDER YOURS TODAY

Rubber City ArmorBILLET GAS KEY
with BlacknitridePlus℠ processing

billet gas key

Fits both right hand and left hand carriers.
Machined from a solid billet for added strength
and durability. Made from 4140 Tool Steel.
Pre-Hardened to: 28-32RC.

BLACKNITRIDE+ PROCESS. LIFETIME WARRANTY.

ORDER YOURS TODAY

Rubber City ArmorMIL-SPEC GAS KEY
with BlacknitridePlus℠ processing

mil-spec key

Manufactured to meet Military Specifications.
Made from 4130 Tool Steel. Pre-Hardened to:
28-32RC.

BLACKNITRIDE+ PROCESS. LIFETIME WARRANTY.

ORDER YOURS TODAY

© 2012 Rubber City Armory, 330-794-7304