Upper Receivers/Conv Kits

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 a 10rd Magazine. For best performance use a round style hammer as notched hammers can cause function...

This AR15 Complete Upper features a 16" 5.56 MId-Length Barrel with Pinned FSB and Magpul MOE Handguard.Features :Upper: Standard AR15 Upper Receiver,Barrel: 16" 5.56 Carbine Barrel with Pinned FSB,Handguard: Magpul MOE HandguardGas System: Mid-Length...

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...

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 dont break the bank. The MOD series is meant to fit Glock 19/23 Gen 1-3 and includes two 10 round magazines, a 4.02" barrel, a range bag, and a recessed cut...

The PWS MK1 MOD 2-M line 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 technology on the free...

The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...

The Luth-AR 16" Lightweight Complete Upper Barrel Assembly Starts with a 16"" 223 Remington Lightweight barrel made from 4140 Chrome Molly with a 1-9" twist mated to a A3 Flattop receiver which includes a bolt carrier, charging handle, forward assist and...

Rock River Arms A4 Carbine upper comes chambered in .350 Legend with a 16" chrome moly 1/16 twist barrel. Additionally this upper includes a RRA 13" M-Lok compatible lightweight free float rail and a RRA Operator Brake (1/2-36 thread). This is a complete...

This complete upper includes the ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. The proprietary ATLAS attachment system is a durable and dependable...

Spikes Tactical Generation 2, Billet, Upper, 223 Remington, 556nato, Black, Mil-spec Barrel Nut Sft52b2Model: Generation 2Product Type: UpperDescription: Mil-Spec Barrel NutCaliber: 223 Remington

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...

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 Luth-AR 24" Fluted Bull Barrel Complete Upper Barrel Assembly Starts with a 24"" .223 caliber fluted bull barrel made from 416 SST with a 1-9" twist mated to a A3 Flattop receiver which includes a bolt carrier, charging handle, forward assist and...

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...

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 oclock positions. At 12 oclock...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. They believe a quality, accurate and...

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...

Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. They believe a quality, accurate and...