BCA .458 SOCOM / .450 Bushmaster Bolt Carrier Group

Name: BCA .458 SOCOM / .450 Bushmaster Bolt Carrier Group
Brand: Bear Creek Arsenal

Bear Creek Arsenal · Bolt Carrier Group

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Best price

$74.99at AR15Discounts

checked Nov 3, 2026

Buy at AR15Discounts

Compare 2 stores

Where to buy

Store	Price	Availability	Buy	Add to build
AR15Discounts Best price	$74.99checked Nov 3, 2026	Check store	Buy at AR15Discounts
Dirty Bird	$199.99checked Nov 3, 2026	Check store	Buy at Dirty Bird

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 Oct 28, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
AR15Discounts	$74.99	$74.99	$74.99
Dirty Bird	$199.99	$199.99	$199.99

Since Oct 28, 2026.

About this part

The BCA .458 SOCOM / .450 Bushmaster Bolt Carrier Group is an AR-15 bolt carrier group from Bear Creek Arsenal. It's sold by 2 stores, from $74.99 to $199.99.

Fits and works with

Bolt: .458 SOCOM / .450 Bushmaster · Bolt carrier groups

Specifications

Manufacturer: Bear Creek Arsenal
Platform: AR-15
Caliber: .450 Bushmaster
Material: Steel

From the manufacturer

BCA's Bolt Carrier Groups come MPI inspected. Perfect for your next .450 Bushmaster or .458 SOCOM AR-15 Build. Specifications: Brand: Bear Creek Arsenal Caliber / Guage: .450 / .458 Carrier Style: Standard Platform: AR-15 Bolt Finish: Parkerized Bolt Material: 9310 Steel Carrier Finish: Black Nitride Gas Key: Staked Magnetic Particle Inspection: Yes