Upper Parts

This .223 Wylde chambered 14.5 inch barrel is machined from 416 Stainless Steel with a bead blasted finish. Ballistic Advantage's Premium Series Barrels feature a Nickel Boron Coated Extended M4 Feed...

This .223 Wylde chambered 18-inch barrel is machined from 416R Stainless Steel with a QPQ finish. Ballistic Advantage's Premium Black Series Barrels feature a Nickel Boron Coated Extended M4 Feed...

This .223 Wylde chambered 16 inch barrel is machined from 416R Stainless Steel with a QPQ finish. Ballistic Advantage's Premium Black Series Barrels feature a Nickel Boron Coated Extended M4 Feed...

Ballistic Advantage's 5.56 chambered 16 inch Government Profile Mid-Length Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated...

16" Barrel MIL-B-11595E CMV Chrome Lined 1/7 Twist Rate 1/2 X 28 Thread Pitch for Muzzle MilSpec Phosphate Coating Midlengt

These gas blocks contribute to an efficient and reliable gas system for your AR15 or AR 308 rifle build. Features: Features Aero Precision Logo Fits barrels with .625 Outer Diameter Constructed from...

The Enhanced Bolt Carrier Group for AR15/M16 platform weapons was designed to minimize carrier tilt and reduce friction inside the upper receiver by relocating key bearing surfaces. All...

ABOUT THE RADIAN MODEL 1 COMPLETE UPPER, 10.5" .223 Wylde  ***IN STOCK*** The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining...

ABOUT THE RADIAN MODEL 1 COMPLETE UPPER Normally these products are built to order and require a long lead-time before shipment, but we hope to have a limited amount available soon. If you can...

ABOUT THE RADIAN MODEL 1 COMPLETE UPPER If you can Add-to-Cart, these products are ***IN STOCK*** (Normally these require up to a 10-month wait). If they're out of stock, let us know you want...

The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut...

***In Stock***   The Ultimate Hard-Use 5.56 Bolt Carrier Group: These aren't designed to be pretty. They're not meant to compete with the gorgeous museum-quality $200+ units that other...

DLC Finish on Outer Wear Surfaces, Phosphate Extractor and Phosphate/CL Gas Key with OCKS Carrier Key Screws.  Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the...

Introducing the E1M, a "modern" version of the XM177E1 with either an A1 or A2 upper depending on preference. The result is an extremely functional M-LOK capable carry-handle esthetic that means...

Now w/ OCKS Carrier Key Screws Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms manufacturers. These are individually High Pressure Tested...

*Limited Time*: Check out our stubby 727 variant with a Colt 10.3" barrel here. We're big fans of the M4 platform and that includes the close ancestors to the M4 like the 727 and XM4. This upper...

***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...

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...

***Cosmetic Blemish*** These are the same spec as our ALL-CHROME w/ PHOSPHATE EXTRACTOR BCGS. They will function properly 100% of the time but may exhibit cosmetic irregularities.    These have...

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...