Rainier Arms Bolt Carrier Assembly Ultramatch .308 BCG

Rainier Arms Bolt Carrier Assembly Ultramatch .308 BCG

Rainier Arms · Bolt Carrier Group

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Best price

$289.95at Rainier Arms

checked Aug 27, 2018

Buy at Rainier Arms

Where to buy

Store	Price	Availability	Buy	Add to build
Rainier Arms	$289.95checked Aug 27, 2018	Check store	Buy at Rainier Arms

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

About this part

The Rainier Arms Bolt Carrier Assembly Ultramatch .308 BCG is a .308 / 7.62x51 bolt carrier group from Rainier Arms. One store lists it, Rainier Arms at $289.95.

Fits and works with

Caliber: .308 / 7.62x51 · Shop matching ammo
Bolt: AR-10 (.308 / 6.5 CM) · Bolt carrier groups

Specifications

Manufacturer: Rainier Arms
Platform: AR-10

From the manufacturer

Match style DPMS Pattern Bolt Carrier Assembly designed to work with DPMS style barrel extension and compatible upper receivers. Always check compatibility prior to use in any firearm.

Carrier Specifications:

Full Auto Carrier
SAE 8620
Heat Treated
Shot Peened
Finish is QPQ treated

Bolt:9310 Steel
Shot Peened
Heat Treated
QPQ treated

Extractor:S7 Tool Steel
Precision Machined
Shot Peened
Heat Treated
QPQ treated

Extractor Components:

Extractor Spring made of Music Wire (The best spring steel available) “Reliability post” exceeds MIL-SPEC. Made with OUR OWN multi-cavity mold with the highest grade of chemical and heat resistant rubber, VITON. Our Reliability posts are NOT commercially available.

VITON Rubber “Full-Auto O Ring” made if you want the highest grade of chemical and heat resistant rubber.

Extractor Retaining Pin:

Precision Machined 4140
Heat Treated
Precision ground to diameter
Firing Pin:Colt Full Auto Spec
Machined 4140
Heat Treated