Built on an extruded 6061 billet upper receiver, using a steel gas block as opposed to aluminum, and the new V2 Dirty Bird M-LOK handguards. We use Permatex 242 on key components while using mil-spec AEROSHELL 33MS Anti-Seize grease on the properly torqued barrel nut and muzzle device. To this end, the recessed flash can directs conclusive gas and noise down range, toward the target and away from the shooter. The clever anti-rotation system uses a stainless steel dowel that indexes the receiver with the handguard. If you're looking for a law-enforcement grade upper receiver kit, the Radical Firearms 8.5 in. Unlike the grand majority of upper receivers on the market, these ones are tested to ensure that they will cycle with subsonic rounds.
These receivers will impress both amateurs and professionals alike and are an incredible value for the quality they bring to the table. Complete your firearm with the Radical Firearms Blackout Full Upper Assembly for an incredible shooting experience at an amazing price. Your AR-15 handguard has huge implications in terms of how much you enjoy your shooting experience. Our seven sided Keymod handguard is built to handle the hardest use and abuse of tactical and competitive shooting while offering more versatility than other handguards. It features a full-length picatinny top rail that sits flush with M4 flat top receivers allowing you to have more space for optics and back up iron sights.
Due to the "7 sided design", this rail has more than 200% more attachable surface area of a standard keymod rail. This AR-15 handguard is machined from 6061 aluminum, has a hard coat anodized black finish, and comes with a proprietary barrel nut and mounting hardware. Coming with a 10' long handguard, the weight is just right. The Smith & Wesson M&P AR15 Whisper is a complete upper receiver, so it will come with a charging handle and a bolt carrier group. The 9″ barrel on this 300 Blackout upper is ideal for the 300 BLK cartridge. Combined with a lower, this thing is an ideal home defense and even hunting setup.
Additionally, the barrel is chrome-lined for added durability, corrosion resistance, and heat tolerance. This 2.2-pound upper is made of a MIL-SPEC Manganese Phosphate finish with an outside coating to prevent pitting, rust and scratching. This upper comes without a bolt carrier group or charging handle, much like the Aero. These barrels are compatible with both a carbine buffer, subsonic and high-velocity ammunition.
However, BCM cannot guarantee that all ammo types will function in all conditions. The PSA 16" .300 Blackout Upper Receiver sports 7075 T6 aluminum material and has an M4-type design. It is complete with a .300 Blackout bolt carrier group, forward assist, handguard, and a barrel. The entire upper is also coated in nitride for added rust and corrosion resistance. The pistol-length gas block is ideal for the .300 Blackout round as well.
This MK109 complete upper receiver assembly is compatible with any mil-spec lower receiver, converting your firearm to a long-stroke gas piston action. It features a BCG complete with a steel operating rod and piston, similar in principle to an AK. When it comes to the barrel, it has superior corrosion resistance because of its nitride finish. Additionally, the PSA 8.5″ is designed to handle supersonic rounds with excellent precision. Also, the bolt carrier group is built out of 158 Carpenter steel.
Lastly, the M-Lok handguard is already equipped for an easy mount of sights and accessories. Flat top upper receiver features a Picatinny rail for easy attachment of magnified optic, red dot or open sights. Made from 7075-T6 hard-coat anodized aluminum forgings, shot-peened and proof-tested 9310 steel bolt, and 8620 steel bolt carrier. The inside diameter of the carrier and gas key are chrome plated and the key is staked for longevity. If you are looking for a complete upper receiver, you need to take a look at the length, rifling, profile, and the twist rate of the barrel.
Longer barrels are great for long-range hunting, whereas the shorter ones are great for tactical and competitive uses. Lastly, this is a complete upper receiver, so it does include a charging handle and bolt carrier group. The S&W M&P Whisper is a simple system that's easy to suppress and rearing to go out of the box. The foundation of all good ARs is built upon a dependable upper receiver. CBC upper receivers offer best-in-class quality while providing you years of dependable service.
Boasting a MIL-SPEC type III hard coat anodized finish and machined from 7075-T6 forged aluminum, this M4 flat-top receiver delivers a lifetime of superior function. You want your AR built upon a solid platform - this receiver gives you the confidence that your AR-15 will function when it counts most. The handguards on these Aero uppers come in a variety of lengths to accommodate the attached flash suppressor. You can remove the flash hider and install a muzzle brake or suppressor instead.
Additionally, you'll find a gas system that's about the size of a handgun here. The M4E1 uppers also come with Keymod rail systems and are chambered for the.300 Blackout round. Moreover, the upper comes with a typical M4 feed ramp, which improves carbine and pistol accuracy. The BCG is constructed from shot-penned 158-carpenter steel that features a full-auto profile for any rugged use. Besides that, the upper receiver also features nitride coating for better resistance against wear and tear. Also, it comes with a low profile pistol-length gas block that's ideal for .300 Blackout rounds.
The PSA 16″ Pistol-Length 300AAC Blackout 1/8 Nitride 15″ is a complete upper receiver that's forged using top quality 7075-T6 aircraft aluminum for enhanced durability. This is an M4-style upper receiver which will come with a forward assist, BCG, barrel, and a handguard. A 10-inch barrel on an AR pistol or a short barreled rifle is perfect for the .300 Blackout. The uppers all feature different length handguards, that accommodate the mounted flash suppressor. The barrels are all equipped with a standard A2 muzzle brake that's been proven efficient and effective.
It's a Smith and Wesson product, what could really go wrong? This is as traditional an upper receiver as you'll get in the modern world. This is for a full-sized carbine and comes outfitted with a 16-inch barrel with a 1-7.5 inch twist, and a threaded muzzle. Included is the Yankee Hill Phantom flash suppressor, which is a great touch.
The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel. Per the National Firearms Act, the muzzle brake MUST be pinned and welded to achieve the necessary 16" as defined by the ATF for a rifle build. The upper receivers from Aero Precision all feature different lengths of handguards so you'll have the freedom to choose according to your preferences. The barrel on this upper receiver will be equipped with the standard A2 muzzle brake that's been proven over time to be pretty efficient and effective. This upper receiver also features the PSA 15' lightweight, M-Lok rail, partial Picatinny rail, and a free-float handguard that doesn't touch the barrel. The PSA 16″ Pistol-Length 300AAC Blackout 1/8 Nitride 15″ would be long enough for shooting mid-long range shots with great accuracy and precision.
This LODO 300 AAC Upper Assembly comes ready to fire right out of the box upon installation onto any standard AR-15 lower receiver. Our LODO upper receiver group is assembled from premium components into a high performance-package.The upper assembly comes equipped with a 4150 chrome moly steel barrel. Like most AR-15 upper receiver assemblies, this kit does not come with a bolt carrier group or a charging handle. You can re-use your existing rifle's BCG and CH or separately purchase a new BCG and charging handle to make the conversion process even faster. More than just a regular AR-15 assembly, the BRN-180S upper receiver is a conversion kit for your AR-15. This kit employs a short-stroke gas piston system similar to that of the original AR-18, but dimensionally modified to fit on a mil-spec AR-15 lower, allowing it to use standard AR-15 magazines.
This upper receiver kit does not feature a bolt carrier group or a charging handle. However, it should be compatible with those from your existing AR-15. You may also purchase a separate set to turn this upper receiver kit into a ready-to-convert assembly, which can be snapped on and off your lower in a matter of seconds. This upper receiver is built from the bottom up to be simple to operate.
This is a pre-assembled kit ready for installation on your lower receiver. However, one drawback is that this doesn't come with a bolt carrier group or charging handle. However, this upper should be compatible with those from your current AR-15. No matter what your style of shooting is, Radical Firearms has you covered. One of the core parts of building an AR-15 is the upper receiver.
A quality upper receiver is crucial for the optics platform and barrel mating. The Armory carries a selection of AR-15 upper receivers for sale ranging from A2 Carry Handle uppers to Flat Top Uppers. The barrel of this upper receiver has a flash that's threaded over the 5/8 x 24 muzzle. In addition, this upper comes with a full-length rail from the receiver up to the tip of the handguard. With that, you can mount slings and other accessories to your .300 Blackout rifle with ease. Well, the great thing about complete upper receivers is that you won't have to look for any additional parts.
However, if you want to customize your .300 Blackout rifle more, a complete upper receiver wouldn't be your best buy. This system also features an adjustable gas block, letting you adjust the amount of gas your rifle uses to operate the action. If you want an upper receiver group that works right out of the box, get a full upper receiver with a bolt carrier group and charging handle.
Remember that you can keep your 5.56 lower if you install a .300 Blackout upper and barrel. Overall, the PSA 8.5" .300 Blackout Upper Receiver is a solid choice for compact use. You can mount it on both a pistol lower or a regular rifle lower. Furthermore, it comes with a durable aluminum build anodized finish for excellent rust resistance. Finally, the barrel itself is designed to handle supersonic rounds with the utmost precision.
The PSA 8.5" .300 Blackout is a solid upper receiver if you are looking for a compact pistol length option. In addition, the receiver itself is built out of 7075-T6 aluminum and has a hard-coated anodized finish. Thus, it is wear and tear-resistant, as well as being highly durable and lightweight. If your upper receiver has a Picatinny rail on the top, it will be very easy for you to add sights, lasers, or scopes. Many upper receivers do not come with sights installed including complete uppers.
So you will need to buy these separately and then add them to your rail. Brownells is your source for 300 Blackout Upper at Brownells parts and accessories. The Smith & Wesson M&P AR15 Whisper features a flat top upper so that you'll be able to mount your optics on it.
This upper receiver was specifically designed for the .300 Blackout round and adopts a gas system to function well with both subsonic and supersonic .300 Blackout rounds. News people Radial pistol uppers are good to go for what they are designed to do. The only down side would be the barrels are 4140 so I would guess they won't hold up to high round counts. But at their price point I can buy a complete upper for the cost of a barrel from other name brands. The 16-inch option even comes complete with gas block and gas tube. These barrels are made of 4150V steel and feature a Nitride finish for strength and durability.
I've found two options that I really like that come without barrels. These are high-end uppers that are designed for builders who really want to tweak their builds. The end user will have to provide a barrel and gas system to the upper receiver to complete it. The gas block is a critical link in the chain that is too often overlooked. Made from high-quality steel with a smooth nitride finish, this .750 low-profile gas block is efficiently designed to stay put with the percussion of gunfire. With its low profile this gas block allows it to fit under the most ergonomically designed handguards and rails on the market.
The upper receiver is a flat-top type, and the mated handguard features a top Picatinny rail for installing sights and optics and M-LOK mounting points for other rifle accessories. Your upper receiver is literally half of the firearm and includes the barrel. The best materials to go with for an upper receiver for your AR-15 must be 7075-T6 aluminum. This is an aircraft-grade aluminum that is durable and also lightweight. For reference, the Beretta 92FS 9mm service pistol comes built of the same materials. Drop in ready 300 blackout complete upper receivers available today.
The next step on your AR is to upgrade to a 300 Blackout upper, Ghost Uppers from ghost firearms. The PSA 16″ Pistol-Length 300AAC Blackout 1/8 Nitride 13.5″ comes with a flat top receiver that has a Picatinny rail if you wish to mount any scopes or optics. The handguard features M-Lok slots that would allow you to install slings and other accessories over your .300 Blackout rifle. Besides that, it also comes with a full-auto bolt carrier group for rugged use. This kit also includes a low-profile gas block and a steel gas tube with a Melonite finish, ensuring long-lasting performance even when shooting several magazines in a row. The M4E1 upper receiver is forged out of 7075-T6 and precision CNC-machined to provide a tight and snug fit.
It is compatible with all mil-spec AR-15 lowers and features a standard M4 feed ramp, increasing carbine and pistol reliability. This upper receiver is designed from the ground up for ease of use, eliminating most hassles involved in installing and removing AR-15 barrels. Typically, however, converting your AR is done by replacing the entire upper receiver assembly. It is easy to attach and detach from the lower receiver and a much quicker process than replacing the barrel and gas tube alone. Aero Precision's .300 Blackout uppers provide a modern style and high-quality AR components. This upper is built with an 8-screw handguard that accepts a free-floating handguard.
In addition, the Aero's M4E1 .300 Blackout upper is available in 8″ and 10″ barrel lengths. This upper is best suited for a pistol built with an 8″ barrel format. The M4E1 is forged from 7075-T6 and CNC-machined for a clean and secure fit. Also, the barrel is made of chrome-moly vanadium and has a QPQ corrosion-resistant finish. Another reason you may want to upgrade is if your existing gun does not come with all the features that you need. For instance, budget upper receivers often work well enough.
But, it also comes with lower quality bolt carrier groups. Also, while neither a dust cover nor forward assist are necessary for an AR-15 to work, they can both help out with reliability in bad conditions. One of the nice features of the AR-15 is the ability to alter the upper receiver to fit a wide range of ammunition. The design of the 300 Blackout cartridge allows shooting it from AR-15 rifles. Now, as it does not have the same reliability issues as other cartridges, upgrading the AR-15 to accommodate the 300 Blackout could also upgrade your AR-15 game. The Noveske 300 AAC BLACKOUT is NOT designed to cycle the action with subsonic ammunition unless a silencer is attached.The barrel ships with gas block installed.
The PSA 16″ Pistol-Length 300AAC Blackout 1/8 Nitride 13.5″ is a pretty durable, feature-packed, at an affordable price tag from PSA. This upper receiver was forged from top-quality 7075-T6 aircraft-grade aluminum, which was built to last. The PSA 16″ Pistol-Length 300AAC Blackout 1/8 Nitride 15″ is ready to fire after mounting it to your lower receiver.
Since it's a complete upper receiver, you won't have to go around looking for other parts. This includes magazines, bolt carrier groups, upper and lower receivers, rails, buffers, buffer assemblies, stocks, etc. Really, the biggest change is the barrel and the gas system. This AR-15 upper assembly is a complete Generation 2 upper assembly that features a 10 sided 10″ CBC Arms Gen 2 Keymod Rail. In addition, this assembly is made from the highest quality parts and is assembled in Charleston, South Carolina. The Ballistic Advantage Modern Series barrel combines the durability and strength of 4150 chrome moly vanadium steel with the exceptionally corrosion resistant salt bath nitride treatment.
