Armalite M-15 A4 Carbine: The no-nonsense M-15 A4 Carbine upper is chambered for the 5.56mm NATO and uses a 16-inch, double-lapped, chrome-lined, chrome-moly-steel barrel with an A2-style flash suppressor. The barrel has a 1-in-7-inch twist rate, and the receiver is made of forged 7075-T6 aluminum with a hardcoat anodized finish.
Armalite AR-10 B-Series: Armalite calls this AR-10 B-Series upper a tactical workhorse. The 20-inch barrel comes with a flash suppressor/compensator to tame recoil while reducing flash, and the gas block is adjustable for optimal performance. The 15-inch KeyMod handguard offers plenty of room for optics and accessories.
Bushmaster 300 AAC Blackout: Bushmaster’s 300 AAC Blackout upper features a free-floating, 16-inch barrel with an M4 contour and an AAC Blackout muzzle brake. The handguard is a quad-rail design. This is a great option for hunting or defending your homestead—it’ll serve in both roles admirably.
Bushmaster Modular Carbine: Bushmaster’s Modular Carbine upper is geared up for home defense with a fluted, chrome-lined, 16-inch barrel with a 1-in-9-inch twist rate and an A2-style flash suppressor. Flip-up front and rear sights are included as well as a quad-rail handguard with rail covers.
Bushmaster Predator/Varminter: The Predator/Varminter upper can transform your AR-15 into a long-range hunting rig. This upper is set up with an extra-heavy-profile, 20-inch barrel that is fluted and chambered for the .223 Remington. You have a choice of either 1-in-8- or 1-in-9-inch twist rates, and the barrel floats freely.
Dark Storm Industries DS-10 Lightning: The DS-10 Lightning is a billet-crafted upper with a forward assist, a dust cover, a Troy Alpha handguard and a free-floating, 18-inch, heavy-profile barrel chambered in .308 Winchester with a 1-in-10-inch twist rate. The upper also comes with a nickel-boron-coated bolt carrier group and a Spec Ops Gen 2 charging handle.
Dark Storm Industries DS-15 Sport: The DS-15 Sport is an economical upper made for hard use. It comes with a non-threaded barrel, but there’s no forward assist. The barrel is chambered for the 5.56mm NATO and has a 1-in-9-inch twist rate.
Del-Ton Pre-Ban Flattop: Del-Ton’s Pre-Ban Flattop upper comes with a heavy-profile, 16-inch, chrome-moly-vanadium barrel chambered for the 5.56mm NATO with a 1-in-9-inch twist rate and an A2-style flash suppressor, M4 feed ramps and CAR handguards with a single heat shield. The receiver is made from forged 7075-T6 aluminum and features a forward assist, all with a hardcoat anodized finish.
DPMS .223 A3: DPMS offers a variety of complete upper receivers/barrel assemblies, ranging from the economical truck gun to a sublime varminter. This .223 Remington A3 upper comes with a free-floating bull barrel that’ll help you tag predators at distance. The receiver is forged from 7075-T6 aluminum with a functional dust cover.
DPMS .308 Oracle: The .308 Oracle is a plain-Jane upper made for hard hunting or fighting. It features a 16-inch barrel made of 4140 chrome-moly steel and Glacier handguards. The gas block is also railed for the addition of a front sight.
POF-USA 7.62X39mm Puritan: Feeling a bit red? POF-USA offers a Puritan upper chambered for the common AK-pattern 7.62x39mm, but it’s designed to fit any mil-spec AR-15-style lower receiver. The upper features a 16.5-inch, medium-profile barrel, a gas piston operating system and a Magpul MOE handguard. Two magazines are included.
POF-USA 16.5" Black 6.8 SPC: The 16.5" Black 6.8 SPC upper from POF-USA is chambered in 6.8 SPC and features a gas piston system with a three-position gas block. The 16.5-inch, heavy-contour barrel has been fluted to reduce weight and cool down faster. The upper also comes with a nickel-plated bolt carrier group, a POF-USA MRR handguard and two magazines.
Primary Weapons Systems MK107 MOD 2: The MK107 MOD 2 upper has a 7.75-inch barrel and a gas piston system for the ultimate reliability in a super-short AR, whether it’s an SBR or pistol. The 5.56mm barrel has a 1-in-8-inch twist rate and comes capped with Primary Weapons Systems’ CQB muzzle device.
Primary Weapons Systems MK111 MOD 1-P: The PWS MK111 MOD 1-P upper is designed for shooters wanting a compact rifle for use with a suppressor. This upper features long-stroke gas piston system and an 11.85-inch barrel with a .223 Wylde chamber and a Triad 556 flash suppressor.
Primary Weapons Systems MK216 MOD 1: The MK216 MOD 1 is the shortest non-NFA upper in .308 Winchester/7.62mm NATO with a removable muzzle device. It features a 16-inch, heavy-profile barrel made from chrome-moly steel with a 1-in-10-inch twist rate.
PSA Mid-Length MOE Dissipator: The Mid-length MOE Dissipator upper from Palmetto State Armory (PSA) is designed for greater maneuverability. This upper has a mid-length gas system, a low-profile gas block, a medium-profile 5.56mm barrel, a pinned “F”-marked front sight post and a Magpul MOE rifle-length handguard.
PSA Pistol-Length KeyMod: If a pistol build is on your agenda, the Pistol-Length KeyMod upper from PSA comes with an 8.5-inch barrel with a 5.56mm NATO chamber, a pistol-length gas system, a 7-inch 2A Armament KeyMod rail, a 0.75-inch-diameter gas block and an A2-style flash suppressor.
Stag Arms Model 1H: True to mil-spec standards, the Model 1H in 5.56mm NATO is equipped with a removable carry handle/rear sight and a 16-inch barrel with an M4 profile and a 1-in-9-inch twist rate. The polymer handguards have double heat shields.
Stag Arms Model 2H/2HT: The Model 2H is similar to the Model H1, but it comes with a with a flip-up rear sight. The Model 2HT is equipped with a free-floating, quad-rail Samson handguard, a fixed A2-style front sight, a flip-up rear sight and a chrome-lined, 16-inch barrel.
X Products Can Cannon: The Can Cannon allows a user to propel a soda can up to 105 yards using a proprietary gas ported barrel and pressure tube to launch heavy, thin-walled objects without burning a hole in them or directing hot gas directly into them.
YHM-7305 KR7 Series: Yankee Hill Machine’s KR7 series uppers are available in 5.56mm NATO, 6.8 SPC or 300 BLK, and they come standard with YHM’s Phantom 5C2 flash suppressor, a KR7 Mid-Length KeyMod handguard and a low-profile gas block. The 16-inch barrel is made of 4140 steel.
YHM-7810 Specter Black Diamond: The YHM-7810 Specter Black Diamond upper from Yankee Hill Machine is available in 5.56mm NATO, 6.8 SPC or 300 Blackout. Each chambering features a 16-inch barrel, a YHM Specter-Length Diamond Handguard, a charging handle, bolt carrier group, YHM Phantom 5C2 Flash Suppressor and YHM flip-up sights.
