CMMG Parts Kit Bolt Maintenance MkGs 40 S&W

Name: CMMG Parts Kit Bolt Maintenance MkGs 40 S&W
Brand: CMMG

CMMG · Bolt Carrier Group

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Best price

$34.95at CMMG

checked Oct 22, 2026

Buy at CMMG

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Where to buy

Store	Price	Availability	Buy	Add to build
CMMG Best price	$34.95checked Oct 22, 2026	Check store	Buy at CMMG
OpticsPlanet	$45.99Salechecked Oct 22, 2026	Out of stock	Buy at OpticsPlanet

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 18, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
CMMG	$34.95	$34.95	$34.95
OpticsPlanet	$45.99	$45.99	$45.99

Since Oct 18, 2026.

About this part

The CMMG Parts Kit Bolt Maintenance MkGs 40 S&W is a bolt carrier group from CMMG. It's sold by 2 stores, from $34.95 to $45.99.

Specifications

Manufacturer: CMMG
Material: Aluminum

From the manufacturer

CMMG Parts Kit Bolt Maintenance MkGs 40 S&W. Specifications for CMMG Mkgs .40 S&W Bolt Maintenance Kit: Manufacturer: CMMG Color: Black Fabric/Material: 6061-T6 Aluminum Caliber: .40 S&W Gun Make: CMMG Gun Model: CMMG MkG-45 Guard Package Contents: CMMG Mkgs .40 S&W Bolt Maintenance Kit MkG (40 S&W) Extractor Extractor Spring Extractor Pin 1-16? Roll Pin Extractor Buffer MkG (40 S&W) Ejector Bolt Spring Ejector Spring What firearm models does the manufacturer say CMMG Mkgs .40 S&W Bolt Maintenance Kit is compatible with? The manufacturer says that CMMG Mkgs .40 S&W Bolt Maintenance Kit is compatible with CMMG MkG-45 GuardCMMG 40AFF72: Parts Kit Bolt Maintenance MkGs 40 S&W