Conversion Kits

Anderson's AOR 16" 6.5 Grendel Complete upper: Comes with a 16", 6.5 Grendel barrel, 1-8 twist, carbine gas system, 5/8"-24 threads, 7075 T6 Forged Upper Receiver, A2 Plastic Carbine HandGuard, 308 A2 Flash Hider, Standard Charging Handle and 6.5 BCG...

The MX-1 redefines conversion kits for Glocks, delivering an all-in-one chassis compatible with 70+ Glock models. Designed for versatility, durability, and enhanced performance, this compact system transforms Glocks into a precision-driven platform for...

The 3-slot accessory rail QD mounting Point Bi-pod adaptor Features: Slim lightweight design integrated with modular flexibility Durable aircraft grade billet aluminum body Barrel nut included No timing or shims required Full length mil-spec 1913...

The Alexander Arms AR15 Standard Rifle Upper was developed to function as the ideal item for anybody trying to find an exceptional option. With a black cerakote finish, and a M-Lok handguard, you could get this upper to complete your build.

Top off your next build with this RESOLUTE Mk4 Upper Group. Chambered, this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice.

Chambered in 300 Blackout, this rifle upper is completely built and ready to be put on a lower. Includes a Bolt Carrier Group.

The AIM Sports Inc Complete Lower Parts Kit was designed to be the ideal lower receiver for anybody attempting to enhance the quality of their shooting experiences. These AR15 Lower Parts from the specialists at AIM Sports Inc are made using the kinds of...

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...

ATI ALPHA MAXX 410 UPPER SHOTGUN KIT GEN3 3" 410GA 18.5" BBL SMOOTH BORE 13" POLY MLOK F/U SIGHT 5RD

Chambered in 5.56, this pistol upper is completely built and ready to be put on a lower. Includes a Bolt Carrier Group.

Top off your next build with this RESOLUTE Mk4 Upper Group. Chambered, this upper group is a staple for any collection and comes ready to pair with the AR15 lower group of your choice.

Aero's M5E1 Upper Receiver is a one-piece design combining the handguard mounting platform with the upper itself. Aero has condensed the parts needed to mount a free-floated handguard to 8 screws. It features M4 Feedramps, .2795 takedown pin holes and...

The Billet-AR upper receiver set is 100% machined in the USA and was engineered from the ground up to address structural design weaknesses in standard USGI receivers and enhance overall tolerances. It has a precise bolt raceway for smoother chambering,...

The TacFire SS-RK6 6.5CRD rifle build kit contains- 20" 6.5 Creedmoor barrel, NIB extension/nitride; birdcage flash hider w/crush washer; AR-15/.750 micro/low profile gas block/mil spec/steel; mid length gas tube with pin/steel; 15" .308 low profile...

Mil-Spec Forged 7075-T6 completely assembled upper rec. Type III hard coat anodized for maximum durability. M4 barrel extensions. 10.50" 4150 CMV steel and bolt is 9310 tool steel. Both are nitride finish with excellent lubricity and corrosion resistance...

(Magwell & Weight Compatible) Install P320 firing control unit into this Grip Module Assembly to convert to a P320 X-Series Full size, chambered in 9mm, .357 SIG, .40AUTO. Requires the 9mm, .357 SIG and .40AUTO slide and barrel.*Please note- This...

Custom-Tune Spring Kits for full size 1911/Government 45 ACP contain the finest gun springs available, made from high tensile spring wire for reliable function, smooth operation, consistency and long life.The Spring Kit Includes 10 lb. reduced power...

Designed to provide consistent function from the AR-15 platform, 22 ARC delivers 22-250 levels of ballistic performance in the Mk4 (AR15) lineup.

AR Rifle Kit Includes: Forged Upper, Upper Parts Kit, BCG, Charging Handle, Rifle barrel, Gas Tube, Gas Block-Standard, Cornerstone, Flash Hider, Iron Sights, Rifle Buffer Tube Assy., Rifle Brace, Lower Parts Kit, Magazine

Tacfire UP01-C2: Ready to be built into your next upper, this kit includes a black anodized 7075 T6 aluminum stripped upper receiver, forward assist assembly, dust cover assembly, and A2 style charging handle. The only thing you need to finish your upper...

The Shadow 2 Kadet converts the .9mm Shadow 2 over to a blow-back .22 LR, allowing shooters to use their competition belts, mag holders, and any frame-mounted modifications or accessories. It ships with (2) 10-round magazines. This model has a black hard...

The TSG-22 quickly and easily converts to any generation, even generation 4 of the Glock models 17/22/34/35/37 into an accurate .22LR pistol. Machined from a solid piece of heat treated 4140 steel, the TSG-22 maintains a similar weight and feel to your...

The Kimber(R) Rimfire Target Conversion Kit turns your .45 into a .22 LR in about one minute. Features adjustable sights and includes one 10-round magazine. The full size conversion kits will fit the Custom and Pro .45s, 9mm and 10mm models.

Going to a match or to the range and need spare parts "just in case"? Here's what you need! Maintenance Kit Includes: 1 Guide Rod Assembly (Includes: Recoil Spring, Guide Rod End Cap Breech, Guide Rode End Cap Muzzle, Washer), 1 Firing Pin Spring Cup, 1...

Chambered in 9mm, this pistol upper is completely built and ready to be put on a lower. Includes Bolt Carrier Group.

Its no secret that pistol stabilizing braces have been a target for scrutiny over the years, and those that enjoy building their own AR pistols have wondered what will come out of all the uncertainty. DISSENT is CMMG's answer. Utilizing CMMG's patent...

Mil-Spec Forged 7075-T6 completely assembled upper rec. Type III hard coat anodized for maximum durability. M4 barrel extensions. 10.50" 4150 CMV steel and bolt is 9310 tool steel. Both are nitride finish with excellent lubricity and corrosion resistance...