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Bolt Carrier Groups

CMMG Bolt Assembly for AR15 – Complete Bolt, Black Finish (55BA457)

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CMMG Bolt Assembly for AR15 – Complete Bolt, Black Finish (55BA457)

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Why customers choose this item

  • AR15 bolt assembly part
  • Fits AR15 platform rifles
  • Matte black finish
  • Complete bolt component
  • For bolt carrier group use
  • CMMG part 55BA457

Product highlights

  • Bolt assembly component designed for AR15 rifle bolt carrier group systems
  • Manufactured with precision machining for consistent fit and reliable cycling performance
  • Durable construction supports repeated firing and long-term operational use
  • Matte black finish provides corrosion resistance and uniform component appearance
  • Compatible with AR-15 platform rifles requiring bolt assembly replacement
  • Used for maintenance or upgrade of existing bolt carrier group components

Product description

The CMMG AR15 Bolt Assembly is a bolt assembly designed for use in AR-15 rifle platforms.

This CMMG AR15 Bolt Assembly is manufactured with precise machining and features a matte black finish for standard AR-15 compatibility. It is designed to function as a core component within the bolt carrier group, supporting chambering and cycling operations. This product is used for maintenance or replacement of bolt components in AR-15 rifles. In normal operation, the assembly interfaces with the carrier, firing pin, and cam pin within standard configurations. The construction reflects consistent material specifications and dimensional tolerances. The CMMG AR15 Bolt Assembly supports AR-15 platforms requiring a replacement bolt component with defined fitment and finish characteristics.

Specifications

Brand
CMMG
Model / Series
55BA457
MPN (Manufacturer Part #)
55BA457
UPC
815835012490
Item Type (leaf)
Bolt Carrier Groups
Pack Quantity
1
Weight
3.2 oz
Primary Use / Application
AR Bolt Repair
Platform Compatibility
AR-15
Finish / Coating
Matte Black
Bolt Type
Bolt Assembly
Included Components
Bolt Assembly

Related searches

AR-15 Bolt Assembly AR15 Bolt Carrier Component Black Bolt Assembly CMMG Replacement Bolt Assembly Rifle Bolt Part

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Price$85.87$201.34$296.71
Primary Use / ApplicationAR Bolt RepairCycle ActionBolt Carrier Upgrade
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Material—Steel8620/9310 Steel
Finish / CoatingMatte BlackBlackPhosphate
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