BCG Bolt Carrier Groups
BCG Bolt Carrier Groups are essential components for AR15 and M16/M4 rifles, ensuring reliable operation and smooth cycling. These groups come in various finishes such as Nickel Boron, Black Nitride, and EXO Coating, providing enhanced durability and reduced friction for optimal performance. Brands like FailZero, Noveske, and Wilson Combat offer top-quality BCG assemblies that are trusted by professionals and enthusiasts alike. Whether you are building a new rifle or upgrading your current setup, BCG Bolt Carrier Groups are a must-have for anyone looking to maximize their rifle’s potential. Choose from a wide selection of options to find the perfect fit for your needs.
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Out Of StockOn Sale
WMD BCG Guns NiB-X M16/M4 Bolt Carrier Group
WMD Guns
Now: $99.98Was: $164.95The WMD BCG is precisely machined from high-grade steel to M16 specs before receiving WMD Gun's proprietary NiB-X nickel boron coating. This coating results in super-smooth action, extreme corrosion resistance, and a harder-than-chrome surface that...Now: $99.98Was: $164.95 -
Out Of StockOn Sale
FailZero BCG M16/M4 Complete Bolt Carrier Group EXO Nickel Boron Finish
FailZero
Now: $99.98Was: $169.99FailZero, M16/M4 Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated, Black Finish Nickel Boron treated Extreme durability Dry lubricity Corrosion resistant This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most...Now: $99.98Was: $169.99 -
On Sale
Wilson Combat BCG Bolt Carrier Groups
Wilson Combat
Now: $139.98Was: $188.99Manufactured by our finest domestic Mil-Spec contractors these are among the best 5.56 AR rifle bolts on the market and the same bolts we use as the basis of our renowned custom rifles. Our bolt is precision machined from Carpenter No. 158 steel, shot...Now: $139.98Was: $188.99 -
Out Of StockOn Sale
FailZero BCG Lightweight Bolt Carrier Group EXO Nickel Boron Coated Nickel Finish
FailZero
Now: $149.98Was: $185.00FailZero, Lightweight/Low Mass Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated, Nickel Finish, 9.2 oz Total BCG WeightNow: $149.98Was: $185.00 -
Out Of StockOn Sale
FailZero BCG AR15 Complete Bolt Carrier Group EXO Nickel Boron Coated Matte Finish
FailZero
Now: $99.98Was: $169.99FailZero, AR-15 Bolt Carrier Group, No Hammer, EXO Nickel Boron Coated, Matte Finish This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron...Now: $99.98Was: $169.99 -
Out Of StockOn Sale
FailZero BCG Complete Bolt Carrier Group 7.62X39 Nickel Boron Coated
FailZero
Now: $99.98Was: $159.99FailZero, M16/M4 Bolt Carrier Group, No Hammer, Completely Assembled, EXO Nickel Boron Coated, Nickel Finish This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec M16, M4 or AR15 upper receivers. All critical parts...Now: $99.98Was: $159.99 -
Out Of StockOn Sale
FailZero BCG AR15 Complete Bolt Carrier Group EXO Coated Nickel Finish
FailZero
Now: $99.98Was: $119.98This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...Now: $99.98Was: $119.98 -
Out Of StockOn Sale
FosTech BCG Complete Bolt Carrier Group
FosTech
$99.98 - $199.98This is a standard full-auto M16 cut bolt carrier group. It is designed to function with the Echo AR-II and the Echo Sport. Bolt Assembly Bolt: Shot Peened; Magnetic Particle Inspected and Marked Bolt Material: 9310 Alloy Steel Compatibility: .223...$99.98 - $199.98 -
Out Of StockOn Sale
Gemtech BCG Suppressed Bolt Carrier Group
GemTech
Now: $149.98Was: $239.98The Gemtech Suppressed Bolt Carrier is a drop-in replacement and will allow the shooter to choose between suppressed (S) and unsuppressed (U) settings without any permanent modifications to the firearm. No longer will you need to change gas blocks,...Now: $149.98Was: $239.98 -
On Sale
WMD BCG NiB-X M16/M4 Bolt Carrier Groups w/SA Hammer
WMD Guns
Now: $139.98Was: $174.95The WMD BCG is precisely machined from high-grade steel to M16 specs before receiving WMD Gun's proprietary NiB-X nickel boron coating. This coating results in super-smooth action, extreme corrosion resistance, and a harder-than-chrome surface that...Now: $139.98Was: $174.95 -
Out Of StockOn Sale
WMD BCG Guns NiB-X .308 Bolt Carrier Group
WMD Guns
Now: $159.98Was: $233.10The components of the WMD NiB-X .308 AR Bolt Carrier Group are engineered specifically to work with their NiB-X coating. This bolt carrier group includes a 9310 steel alloy bolt and a carrier body machined from 8620 steel. The gas key is staked correctly...Now: $159.98Was: $233.10 -
Aero Precision 5.56 Bolt Carrier Group
$165.00Features: M16-cut carrier Machined from 8620 steel Carrier has forward assist serrations Mil-Spec phosphate coating Properly staked gas key Chrome lined gas key and bolt channel 5.56 Bolt is machined from Carpenter 158 tool steel Shot...$165.00