Rubber City Armory Adjustable Gas Key

Manufactured by Rubber City Armory
Manufactured by Rubber City Armory
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NOTE: Limit 5 per household. Quantities exceeding 5 will not allow checkout.

We are fully staffed and processing orders. Standard orders are shipping in approximately 1 business days or less. FFL orders take approximately 10 business days or less if you can provide us an actively receiving FFL location. Due to high demand, there is a limit of 5 FFL items in a 30 day period.



The Rubber City Adjustable Gas Key is ideal for competition shooters and any firearms owner who wants a softer shooting system and a longer service life. It will help prevent your AR from becoming over gassed and ensures that the weapon cycles properly. The RCA Adjustable Gas Key offers enhanced performance of your weapon with reduced sharp edges due to its radius corners. The adjustable gas key enhances performance of low mass and standard mass GI systems without unnecessary disassembly by simply adjusting the 2 set screws (one to adjust gas flow and one to lock it in place) at the carrier.
  • Pre-hardened 4140 steel
  • Adjustable gas key
  • Nitride finish
  • Instructions
  • (3) 1/8 screws
  • (2) 3/16 set screws
  • wrench

The pre-hardened 4140 steel adjustable gas key, unlike a gas block, allows you to regulate gas pressure directly at the bolt carrier group (BCG) without any need to remove parts. The RCA Adjustable Gas Key works with two set screws, one allows you to limit the flow of gas and the other to lock-in the setting. Limiting the gas flow means softer action and less felt recoil, allowing you to lineup follow-up shots quickly and easily.
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BrandRubber City Armory

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