Bolt Carrier Groups

The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. ...

Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The...

Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the same BCG Spike's Tactical uses in their factory built rifles.Features :Phosphate Coating...

Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical BCG with Nickel Boron Coating.Features :Nickel Boron Coating Inside and...

The LBE AR-15 Firing Pin is made in the USA.Features :Fits AR-15Firing PinMade in the USA

KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.Features :4140 Steel,...

KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.Features :Chrome...

KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.Features :Steel...

The K-SPEC Enhanced AR-15 BCG is engineered for peak performance in 5.56 and 300 Blackout rifles, offering unparalleled reliability, whether you're operating with a suppressor or in the cleanest of...

AR-15 Bolt Gas Rings. Made in the USA.Features :Set of 3Gas RingsFits AR-15 Bolt

The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions...

The K-SPEC dual ejector system uses Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual...

The K-SPEC dual ejector system uses Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in strength of the bolt. The dual...

Phase 5's Mil-spec M16/M4 bolt carrier features a heat treated and chrome lined inner with a black phosphate coating. The complete bolt carrier group includes cam pin, firing pin, gas key, and bolt...

Phosphate coating and chrome lining-provides a BCG with excellent protection against wear and corrosion, making it a popular choice for those seeking reliability and longevity in their firearms. The...

Seeing MIL-SPEC as just the starting point, Faxon set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding...

High quality components and precise manufacturing make LBE parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years...

The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. ...

This is not a hard use BCG. This is considered a consumable part, AR's with dialed in gas and buffer systems will prolong the life of this item. Recommended gas systems- Mid length, Rifle Length, or...

The NP3 coating is applied through an electroless nickel plating process combined with a fluoropolymer, which gives it its unique properties. The fluoropolymer component helps to reduce friction,...

High quality components and precise manufacturing make Lantac parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure...

Purpose-built for 9mm AR-15 pistol caliber carbines, their Generation 2 PCC blow-back carriers keep the features of their well-loved first BCG with modern improvements. They maintain the dual...

Not every customer has the requirement or budget for a fully enhanced, top of the line AR15 accessory. Many users simply need a quality milspec component supplied at a sensible price. M-SPEC is a...

Seeing MIL-SPEC as just the starting point, they set out to ensure the best options are available for their demanding customers. Improvements include using 9310 tool steel for the bolt, nitriding the...