AR-15 Low Mass 5.56 Bolt Carrier Group

Name: AR-15 Low Mass 5.56 Bolt Carrier Group
Brand: Rubber City Armory
Availability: OutOfStock

Rubber City Armory · Bolt Carrier Group

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Best price

$277.99at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$277.99checked Oct 1, 2026	Out of stock	Buy at Brownells

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

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Dashed line = out of stock. Tracking since Sep 27, 2026.

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Store	Latest	Lowest	Highest
Brownells	$277.99	$277.99	$277.99

Since Sep 27, 2026.

About this part

The AR-15 Low Mass 5.56 Bolt Carrier Group is a 5.56 / .223 bolt carrier group from Rubber City Armory. One store lists it, Brownells at $277.99.

Fits and works with

Caliber: 5.56 / .223 · Shop matching ammo
Bolt: Standard AR-15 (5.56 / 300 BLK / .350 Legend) · Bolt carrier groups

Specifications

Manufacturer: Rubber City Armory
Platform: AR-15
Caliber: 5.56 mm NATO

From the manufacturer

A major player on the 3Gun scene the RCA low mass BCG is compatible with all AR-15 platform systems. Made from 8620 steel and finished with H&M's Blacknitride+ treatment this carrier is lighter than the standard M16 carrier. Weighing in at just over 8.9 ounces the RCA competition carrier makes a noticable difference in felt recoil. The carrier comes with the Nitrided and side staked stainless steel billet gas key, our Nitrided 17-4 stainless firing pin and our precision machined 9310 nitrided bolt with tool steel extractor.