Upper Parts

This AR15 Complete Upper features a 16" 5.56 Carbine-Length Barrel w/ Pinned FSB, Carbine Handguard Upper Features: Upper: Standard AR15 Upper Receiver Barrel: 16" 5.56 CMV Carbine-Length Barrel w/ Pinned FSB Handguard: M4 Style Handguard (Carbine) Gas...

This AR15 Complete Upper features a 16" 5.56 Mid-Length Barrel w/ Pinned FSB, Mid Handguard Upper Features: Upper: Standard AR15 Upper Receiver Barrel: 16" 5.56 CMV Mid-Length Barrel w/ Pinned FSB Handguard: M4 Style Handguard Gas System: Mid-Length Gas...

A phenomenal foundation for a battle rifle, this Aero Precision M4E1 Complete Upper features a 14.5" barrel and a 12" Atlas R-One handguard. This complete upper does not include the bolt carrier group (which can be found here) or charging handle (here)...

*****In-Stock ETA Expected June 9th*****  Please check this page for updates ***These are All-Chrome Except for Phosphate Extractor*** Microbest is one of the finest manufacturers of mil-spec bolt carrier groups for the military and small arms...

Dead Air's flash hider has a unique design featuring mass shifted equal length tines. The end result is a flash hider that does not “ping.” It is compatible with DA's Sandman Series and KeyMo equipped suppressors. The KeyMo flash hider is...

BCM QRF-10 (Quad Rail Free Float Handguard) Featuring the same industry leading barrel nut and lock up design as originally introduced on BCM's evolutionary KMR handguard, the QRF Series of handguards gives the shooter modularity in the picatinny...

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 Ramp Extension. Hanson Series Barrels feature BA's...

15" ION Lite MLOK Handguard: Ideal for barrels 16" and up. Includes ION Barrel Nut Wrench. New Gen 5 14.87" Exact length  1.35" ID 7 Sided Design allows 45deg mounting options 2 Limited Rotation QD's No timing of barrel nut required, no shims...

The Criterion AR-15 Hybrid barrel is designed for extreme accuracy without the added weight that a typical HBAR contour has. These barrels are chambered in .223 Wylde with a 1:8 button rifled twist rate to squeeze out every bit of accuracy possible. The...

****In-Stock ETA Expected June 14th**** 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 and then undergo a Magnetic Particle...

NOTE: All BCM bolt carrier groups are factory test fired. The BCG may show handling marks consistent with these quality control procedures.The Bravo Company Manufacturing Bolt Carrier Group, with a parkerized exterior and chrome lined carrier interior,...

MIL-Spec CrMOV, Chrome lined, 14.5" M4 Enhanced SOCOM Barrel Midlength, .750 Gas Journal w/alignment notch for use with our TABBED gas blocks (non-tabbed gas blocks will still work.) Similar to the original Colt SOCOM barrel profile, but...