Conversion Kits

The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a...

Unique auxiliary barrel system that is designed to give the user the option to train with other calibers especially when the stopping and incapacitation power of the 7.5 FK is not required. Our barrel system incorporates a simple barrel change procedure...

The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...

The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK attachment points at 3, 6, and 9 o'clock positions. At 12...

Sig P320 Grip Modules allow you to easily change the look and feel of your P320 handgun. Simply drop in your P320 Fire Control Unit (FCU) and install the proper slide assembly. P320 grip modules come in 3 different girth sizes (Small, Medium, Large) and...

The LTXG Grip Module uses a tungsten-infused polymer that is then molded into the part. This patent-pending process results in a grip module that has the weight of steel and the flex of polymer. We've taken this a step further and laser-stippled the grip...

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 from billet 7075-T6 aluminum and assembled with dust...

The proprietary UXR, or User XChange Rifle, is the pinnacle of firearm innovation. This revolutionary system offers unmatched modularity and performance. The patent-pending XCHANGE system allows the shooter to quickly convert to alternate calibers on the...

Lantac is an industry leader in quality manufacturing and product development, this is no exception.Features :Precise ManufacturingLong Term ReliabilityDurable Construction

SilencerCo's AR-15 upper receiver is made from billet 7075-T6 aluminum, it is precision machined for compatibility with all of your preferred parts. With the SilencerCo billet AR-15 upper receiver, you get the materials, finish, and features you want and...

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 from billet 7075-T6 aluminum and assembled with dust...

The innovative RAPTOR belt-fed upper receiver assembly is designed to interchange with standard AR/M4 type uppers and readily fits any MIL-Spec lower receiver without permanent modification to the host lower, and is rearward compatible to AR15/M16 models...

The BATTLEARMS XIPHOS dedicated PCC upper was designed to be a lightweight and rugged option when it comes to pistol caliber upper receiver groups. Even though it is matched perfectly with their XIPHOS lower receiver, this upper receiver will work with...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range don't break the bank. The MOD series is meant to fit Glock 17/22 Gen 1-3 and includes two 15 round magazines, a 4.49" threaded barrel, a range bag, and a...

The WORKHORSE complete upper receiver is purpose-built around the forged WORKHORSE 7075-T6 aircraft-grade aluminum receiver and free-float rail handguard with M-LOK attachment point at 3, 6, and 9 o'clock positions. At 12 o'clock is a full-length...

The Sig Sauer P320 TXG Grip Module uses tungsten-infused polymer that is then molded into the part. This patent-pending process results in a grip module that has the weight of steel and the flex of polymer. Install your P320 Fire Control Unit into the...

Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...

Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with Three 25rd 22LR magazines. For best performance use a round style hammer as notched hammers can cause...

Spike's Tactical, Generation 2, Billet, Upper, 223 Remington, 556NATO, Black, Mil-Spec Barrel Nut

This complete upper includes the ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. The proprietary ATLAS...

The Charles Daly AR .410 Upper allows any AR-15 to be converted to a .410 shotgun. The CD .410 Upper features a 19in barrel, chambered in 2.5in .410 bore. It has front and rear flip up sights, picatinny quad rail forend and comes with a 5 round magazine...

The ARAK-21 is a gas piston actuated, complete upper receiver assembly designed to seamlessly interface with the standard AR-15 platform. The total extent of the interface is simply the take down pin, and the pivot pin. The new ARAK-21 upper receiver...

Advantage Arms Conversion Kit: Convert your 9mm/.40 S&W Glock down to 22lr so trips to the range don't break the bank. The MOD series is meant to fit Glock 17/22 Gen 4 and includes two 15 round magazines, a 5" threaded barrel, a range bag, and a recessed...

Bravo Company started in the garage of a veteran United States Marine in Hartland Wisconsin, shortly after Operation Iraqi Freedom in 2003. Founded to support the needs of Private Security Professionals working in theaters where durable mil-spec...

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...

Sharps Bros., SBUR04, Billet Upper Receiver, Fits AR15, Black Finish, Includes Forward Assist and Dust Cover

LanTac USA LLC, Urban Tactical, Complete Upper Receiver, 300 Blackout, 11.5" Barrel, Fits AR-15, Anodized Finish, Black

Advantage Arms Conversion Kit: Convert your Palmetto Dagger Compact down to 22lr so trips to the range don't break the bank. The MOD-CA series is meant to fit your Palmetto Dagger Compact and includes two 10 round magazines, a range bag, and a recessed...

LanTac USA LLC, PDP, Complete Upper Receiver, 223 Wylde, 7.5" Barrel, Fits AR-15, Anodized Finish, Black

Ready to upgrade your P365? Get a better grip with these new LXG laser-engraved grip modules from Sig Sauer. The new LXG grips feature an enhanced grip surface with custom laser-engraved stippling for an aggressive feel. Install your P365XL firing...

The OOW 240P-SLR is a belt-fed, air cooled Rifle, capable of sustained and accurate fire while using a shorter and lighter barrel, M4 style collapsible stock, removable lightweight bipod and a foregrip due to the new bottom picatinny rail. This...

Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers they use for complete rifle builds. Every built upper...

LBE Unlimited is a leading producer of US Made gun parts and accessories, particularly for the AR-15 platform. Whether you're in the middle of an AR build or you're just looking to upgrade a key component, LBE has you covered with reliable parts and...

The STT PILLAR upper receiver is the lightest billet upper available today! STT wanted to create something better, something different. Being better was not enough -- STT needed to design an upper that overcame the shortcomings seen in the current...

The RISE 6mm ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.Features :Forged Billet Aluminum Receiver6mm ARC"18" 1:7 Twist 416R Stainless Steel Barrel"1/2x28 ThreadedRifle Length Gas System"15...

Convert your Glock into a .22 or with an Advantage Arms conversion kit. Advantage Arms Glock Conversion Kit is Advantage Arms most accurate conversion kit for Glock.Features :Adjustable sightsLast round lock open30 second installation1 year factory...

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 from billet 7075-T6 aluminum and assembled with dust...

The PWS MK1 MOD 2-M line, revamped for 2018, features the PWS long stroke piston system. While the internals remain the same as other PWS lines, the MK1 MOD 2-M offers a variety of features exclusive to this line. Starting with patent pending PicLok...

The FX5500-U features Faxon's 14.5" Pencil Barrel with Integral Slim 3-Port Muzzle Brake which meets the NFA 16" minimum barrel length requirement, 13" Streamline Carbon Fiber Handguard, and Lightweight Bolt Carrier Group. Super light, easy shooting and...

This AR15 Complete Upper features a 14.5" 5.56 MId-Length Barrel with low profile gas block and 12.7" M-LOK Rail.Features :Nitride Finish14.5 Barrel: T Marked UpperMade in the USA