Upper Parts

Limited Edition You may already be familiar with our original Super-Stakes in Chrome. These are based on our Phosphate+ except instead of the factory staking that most of our BCGs receive, we asked our fellow San Antonio Man-at-ARms (see what we did...

Introducing the 1K3 Bolt Carrier Group. Guaranteed for Life. M16 profile Bolt Carrier Groups, these are hand inspected and given a heavy duty custom stake before being laser branded with the 1K3 designation. 1- Phosphate/Chrome-Lined K- Kadius Company...

We're big fans of the M4 platform and that includes the close ancestors to the M4 like the CAR-15/723 and its shorter barrel brother 733, another variant that makes frequent cameos in popular culture. This upper features a Colt 11.5" M4 Chrome-Lined 5.56...

We're big fans of the M4 platform and that includes the close ancestors to the M4 like the CAR-15/723, one of our favorite variants that makes frequent cameos in popular culture. This upper features an LMT 14.5" M4 Chrome-Lined 5.56 Carbine-Length Barrel...

These melonite (black) gas tubes are a key part of an efficient and reliable gas system for your AR15 or AR 308 rifle build. They offer increased heat and corrosion resistance compared to non-finished gas tubes. Features: Melonite Gas Tube for AR15...

These melonite (black) gas tubes are a key part of an efficient and reliable gas system for your AR15 or AR 308 rifle build. They offer increased heat and corrosion resistance compared to non-finished gas tubes. Features: Melonite Gas Tube for AR15...

***Does Not Include Carrier*** Mil-Spec Bolt - CHROME C158 Steel Shot Peened High Pressure Tested (HPT)  Magnetic Particle Inspected (MPI) *Ejector is either Chrome or Phosphate Chrome Silicon Ejector Spring by Sprinco Mil Spec Extractor -...

The Geissele Super Duty Upper (Stripped) features the quality and worksmanship you've come to expect from the Geissele name.   At the heart of this stripped upper is a Super Duty upper receiver that mates to a MK16 Super Modular rail via a center...

Designed to fit AR-15 and M16 barrels, the BCM low-profile gas block is machined from high quality steel to Mil-Spec tolerances. Gas block includes set screws for mounting and a phosphate finish for corrosion and wear resistance.  .750" inside...

  This genuine, Colt factory part is the one used by our GI’s on the M-4 carbine to allow attachment of M203 grenade launchers or forward mounted lights and lasers. Steel, two-piece unit clamps directly around the barrel between the barrel...

The SureFire SFA2-556-1/2-28 is a closed-tine adapter specifically designed and engineered for compatibility with SureFire Blank Firing Adapters or any Mil-Spec BFA used in training evolutions that require a blank firing adapter.   Like every...

14.7" CHF Government Carbine, 5.56x45mm 1:7 RH Twist (NFA OR PISTOL)   With its more than 100-year legacy of exceptional barrel manufacturing, FNH USA has long perfected the cold hammer forging process to ensure accuracy and durability. These...