MDX Arms Enhanced Nitride 9mm Bolt Assembly for COLT/Glock Small Frame Mag

Ultra Hard Black Nitride Finish Enhanced AR15 Style Ejector Full Heat Treated 8620 Steel  Precision Custom cut carrier design Compatible with standard AR-15 hammers.    Colt and Glock 9mm Compatible "MADE IN...

Alpha Sports .40 S&W / 10mm PCC Nitride Bolt Carrier Group

.40 S&W / 10mm Made from 8620 Steel Mag Phos Finish Precision milled for use with Glock style lower receivers Made in the USA

Alpha Sports 45acp PCC Nitride Bolt Carrier Group

Compatible with Glock 21 45 acp magazines. QPQ Nitride finish for corrosion and wear resistance. Compatible with AR45 platform rifles.

Faxon 5.56/300 BLK Gunner Light Weight Bolt Carrier Group, Nitride, Chameleon PVD

When looking at lightweight bolt carrier groups, we were unsatisfied with what the market had to offer. Seeing a capability gap, we set out to create a bolt carrier group that could live up to the GUNNER name with no compromise in strength or function...

Faxon 5.56/300 M16 Bolt Carrier Complete, TiN PVD

When looking at lightweight bolt carrier groups, we were unsatisfied with what the market had to offer. Seeing a capability gap, we set out to create a bolt carrier group that could live up to the GUNNER name with no compromise in strength or function...

Faxon Firearms Gen 2 9mm PCC Blowback Full-Mass Bolt Carrier Group Nitride

Detailed Specifications: Carrier & Integrated Key: Compatibility: GLOCK & COLT - Style Lower Receivers Carrier: MIL-SPEC 8620 Steel Material Fully Heat Treated M16 (FULL-AUTO) Compatible QPQ - Salt Bath Nitrided Dust Cover Compatible Weight: 14...

Iron City Rifle Works G2 Competition Light Weigh BCG

Iron City Rifle G2 COMPETITION ENHANCED BCG with 3 option BlackDiamond G2 Competition Enhanced (BCG) BlackDiamond is our best coating available.  Our proprietary DLC coating is slicker, harder and more wear resistant than any other coating we have found...

LanTac .223/5.56 Enhanced Bolt Carrier Group

**Ships in 2-3 days** LANTAC E-BCG™, Enhanced Bolt Carrier Group.M16 Full Auto Style for increased mass and lock time.Our new BCG is precision machined from 8620 Steel with a shot peened bolt manufactured from Carpenter 158 and Magnetically Particle...

LanTac .308/7.62x51 Enhanced Bolt Carrier Group

**Ships in 2-3 days** AR10 Full Auto Style for increased mass and lock time.Our new BCG is precision machined from 8620 Steel with a 9310 Precision Hard Ground, Magnetically Particle Inspected Bolt.The entire carrier assembly is NiB, Electroless Nickel...

Master Of Arm The Nyx Titanium Carrier (complete)

Black .625 Gas Block Expanding our line of cleverly designed AR accessories, made in the USA on premium CNC machines, Master of Arms now offers a gas block that will perform under the harshest use while weighing less than any other adjustable gas...

MDX Arms .223/5.56 BCG and AR15 Complete Receiver Combo

Perfect first item to start your custom build, the Upper Receiver Kit Starting with a 7075 T6 aluminum forging, our stripped M4 flattop upper is precision machined to final dimensions that make it compatible with the multitude of available "mil-spec"...

MDX Arms 2.23/5.56/300BO Nitride M16 Full Mass Bolt Carrier Group

Melonite/Nitride M-16 bolt carrier group Meloniting, also known as black nitride or nitro carburization offers increased abrasion and corrosion resistance. This treatment also lowers the coefficient of friction and increases life of...

MDX Arms 2.23/5.56/300BO Titanium Nitride M16 Full Mass Bolt Carrier Group

MDX Arms 5.56/.223/.300 BLACKOUT caliber complete Titanium Nitride Bolt Carrier Groups. T Melonite/Nitride M-16 bolt carrier group Meloniting, also known as black nitride or nitro carburization offers increased abrasion and corrosion resistance...

MDX Arms Nitride 9mm Bolt Assembly for COLT/Glock Small Frame Mag

Ramped and compatible with standard hammers. MIL-SPEC 8620 Steel Material Nitride QPQ treated Compatible with lower receivers cut for Colt 9mm magazines and Glock magazines. Weight: 15.05 Ounces  *GLOCK and COLT names are property of the respective...

MDX Arms Premium 2.23/5.56/300BO Black Nitride M16 Full Mass Bolt Carrier Group

Melonite/Nitride M-16 bolt carrier group Meloniting, also known as black nitride or nitro carburization offers increased abrasion and corrosion resistance. This treatment also lowers the coefficient of friction and increases life of the bolt carrier...

Odin Works Nitride 9mm PCC Blowback Full-Mass Bolt Carrier Group Nitride

The ODIN Works 9mm BCG is designed to work with both Colt and Glock style lowers and magazines. It also features the traditional style AR extractor that will give you long and reliable use. Technical Specs Works with Glock and Colt lowers and magazines...

Salient Arms International TiN Coated M16 Bolt Carrier Group for .223/5.56/300BO

Introducing the integral gas key BCG from Salient Arms International. If you are looking for the finest BCG on the market today - your search is now complete. This BCG features an integral gas key design which eliminates the known weakness of...

Superlative Arms .750 AR15 Adjustable Piston System- Clamp On

The Superlative Arms patented “Bleed Off”, Gas Piston System for the AR15 platform adjusts the gas flow by bleeding the gas out of the block instead of restricting the flow like conventional adjustable blocks.  Results: The...