Skip to content
$0.00
  • Rifles
    • Semi Auto Rifles
      • AR Rifles
      • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
  • Handguns
    • Semi Auto Handguns
      • AR Pistols
      • AK Pistols
    • Revolvers
    • Derringers
  • Shotguns
    • Semi Auto Shotguns
    • Over Under Shotguns
    • Side By Side Shotguns
    • Single Shot Shotguns
  • Ammo
    • Rifle Ammunition
    • Handgun Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
    • Other Ammunition
  • Optics
    • Red Dots Sights
    • Gun Scopes
    • Gun Sights
    • Binoculars
    • Thermal Sights
    • Range Finders
    • Laser Sights
    • Scope Accessories & Scope Parts
      • Scope Bases
      • Scope Mounts
      • Scope Rings
  • Suppressors
    • Silencers & Suppressed Firearms
    • Short Barrel Rifles (SBR)
    • Class 3 Parts & Accessories
  • Gun Parts
    • AR15 Parts
      • AR15 Lowers
      • AR15 Uppers
      • AR15 Barrels
      • AR15 Stocks, Forends, Forearms
      • AR Triggers
      • AR Lower Parts Kits
      • Other AR15 Accessories & Parts
    • AR10 Parts
      • AR10 Barrels
      • AR10 Uppers
      • AR10 Bolts
      • Other AR10 Accessories & Parts
    • Handgun Parts
      • Handgun Barrels
      • Handgun Frames
      • Handgun Slides
      • Other Handgun Accessories & Parts
    • Magazines
      • Rifle Magazines
        • AK Magazines
        • AR Magazines
      • Handgun Magazines
      • Shotgun Magazines
  • Login
AdVance ArmamentAdVance Armament
  • Rifles
    • Semi Auto Rifles
      • AR Rifles
      • AK Rifles
    • Bolt Action Rifles
    • Lever Action Rifles
  • Handguns
    • Semi Auto Handguns
      • AR Pistols
      • AK Pistols
    • Revolvers
    • Derringers
  • Shotguns
    • Semi Auto Shotguns
    • Over Under Shotguns
    • Side By Side Shotguns
    • Single Shot Shotguns
  • AmmoReady-to-shoot ammunition for firearms.
    • Rifle Ammunition
    • Handgun Ammunition
    • Rimfire Ammunition
    • Shotgun Shells
    • Other Ammunition
  • OpticsGun scopes – Selection of gun scopes and gun optics.
    • Red Dots Sights
    • Gun Scopes
    • Gun Sights
    • Binoculars
    • Thermal Sights
    • Range Finders
    • Laser Sights
    • Scope Accessories & Scope Parts
      • Scope Bases
      • Scope Mounts
      • Scope Rings
  • SuppressorsAll types of federally restricted firearms, including machine guns, destructive devices, and silencers
    • Silencers & Suppressed Firearms
    • Short Barrel Rifles (SBR)
    • Class 3 Parts & Accessories
  • Gun PartsFirearm parts or accessories.
    • AR15 Parts
      • AR15 Lowers
      • AR15 Uppers
      • AR15 Barrels
      • AR15 Stocks, Forends, Forearms
      • AR Triggers
      • AR Lower Parts Kits
      • Other AR15 Accessories & Parts
    • AR10 Parts
      • AR10 Barrels
      • AR10 Uppers
      • AR10 Bolts
      • Other AR10 Accessories & Parts
    • Handgun Parts
      • Handgun Barrels
      • Handgun Frames
      • Handgun Slides
      • Other Handgun Accessories & Parts
    • Magazines
      • Rifle Magazines
        • AK Magazines
        • AR Magazines
      • Handgun Magazines
      • Shotgun Magazines
  • Login
CMC Enhanced Bolt Carrier Group - AR-15 5.56/223/300 Blackout

CMC Enhanced Bolt Carrier Group – AR-15 5.56/223/300 Blackout

SKU: RSR|CMC81631.

$159.99 PLUS TAX

CMC Enhanced Bolt Carrier Group – AR-15 5.56/223/300 Blackout

5 in stock

Category: AR Bolt Carrier Groups.
0
  • Description
  • Additional information
  • Reviews (0)

CMC Triggers Enhanced Bolt Carrier Group was designed for shooters who demand superior performance weapon components in the heart of their firearm. 

Carrier Assembly: The flared rear of the enhanced bolt carrier is designed to reduce carrier tilt/cant during recoil and increase reliability by strategically relocating key bearing surfaces. Made from Case-hardened 8620 steel.

The CMC enhanced carrier has fewer points of contact resulting in less friction area. The increase in mass ensures proper gas pressure and increases dwell time thus improving extraction while shooting suppressed or short-barreled rifles (SBRs). Bolt Assembly: The Bolt is a “true” Mil-spec dimension. The external surfaces are CNC ground after heat treatment for a precision fit. The bolts are held to the highest possible tolerances. The “trumpet” area behind the gas rings where carbon collects is precision CNC Ground after heat treatment to ensure as smooth of an area as possible easing clean up and longevity. Made from 9310 Case Hardened Steel bolt components are Shot Peened & Black Nitride coated.

  • Black Nitride finish
  • Enlarged forward ports
  • Optimized for suppressor use
  • Hardened 4340 cam pin
  • Mil-Spec 8740 steel firing pin
  • MPI and HPT tested
  • Mil-Spec Extractor Spring & O-Ring
  • .223/5.56/300BLK compatible
UPC

810943030961

Manufacturer

CMC Triggers

Manufacturer Part Number

81631

Model

Enhanced

Product Type

Bolt Carrier Group

Shipping Weight

0.825

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Related products

Generated ALT for Image ID 31561 View details: RISE BCG .223/5.56 BLACKAdd to cart

RISE BCG .223/5.56 BLACK

AR Bolt Carrier Groups
$169.99 PLUS TAX
0
Generated ALT for Image ID 32506 View details: FZ 450 BUSHMASTER NO HAMMER NIBAdd to cart

FZ 450 BUSHMASTER NO HAMMER NIB

AR Bolt Carrier Groups
$157.00 PLUS TAX
0
Generated ALT for Image ID 32176 View details: CMMG BCG AR15 6.5GRN/6MM ARCAdd to cart

CMMG BCG AR15 6.5GRN/6MM ARC

AR Bolt Carrier Groups
$161.00 PLUS TAX
0

Contact Us

We're not around right now. But you can send us an email and we'll get back to you, asap.

Advancearmament LLC BBB Business Review

Contact Info

  • AdVance Armament
  • 18061 N 91st Dr. Peoria, AZ 85382
  • 602-334-5431
  • kvance@advancearmament.com

STORE HOURS

By appointment only

Not a store front!

 

CUSTOMER SERVICE

  • Transfers
  • About us
  • Refund and Returns Policy
  • Terms and Conditions
  • Privacy Policy
  • Blog

© 2026 — AdVance Armament

  • Buy Guns Online
  • Feel Free to Contact us