Conversion Kits

The P365-XMACRO grip module features a true 1913 accessory rail and three interchangeable backstraps (S, M, L) to ensure a proper fit for the user's hand. The medium backstrap comes preinstalled.

The Aero Precision Minimal Optical Deflection (MOD) 4 handguard seamlessly blends robust construction with an ergonomic form factor, ensuring no compromises between the two. Machined from 6061-T6 aluminum, the handguard is engineered with a focus on...

The Aero Precision Minimal Optical Deflection (MOD) 4 handguard seamlessly blends robust construction with an ergonomic form factor, ensuring no compromises between the two. Machined from 6061-T6 aluminum, the handguard is engineered with a focus on...

Swapping your bolt carrier group with a CMMG Conversion Bolt Group takes only seconds to install and is piston compatible. This .22 Conversion Kit operates on direct blowback, and do not utilize the impingement tube for function. The Bravo Conversion...

Just like the MFour-22 rifle, the Chiappa M4-22 Upper Receiver Kit takes advantage of AR platform dimensions and geometry. These upper receivers will fit on any MIL-SPEC lower receiver to create a .22LR rifle perfect for plinking or training. Includes...

The Aero Precision Minimal Optical Deflection (MOD) 4 handguard seamlessly blends robust construction with an ergonomic form factor, ensuring no compromises between the two. Machined from 6061-T6 aluminum, the handguard is engineered with a focus on...

Requires low profile gas block, Two mil-spec 1913 picatinny rail sections

CALIBER:.223 WYLDE CHAMBER FOR 5.56MM AND .223 CALIBERUPPER RECEIVER:FORGED A4BARREL:20-INCH AIR GAUGED HEAVY MATCH STAINLESS STEEL, 1:8 TWIST, CRYOGENICALLY TREATEDMUZZLE DEVICE:A2 FLASH HIDER / 1/228 THREADGAS BLOCK:GAS BLOCK SIGHT BASEHANDGUARD:RRA NM...

Chambered in 308 Win, this rifle upper is completely built and ready to be put on a lower. Includes Bolt Carrier Group.

The TacFire SS-RK300LPK Rifle Kit contains- .300 AAC blackout 16" barrel;.308 5/8 x 24 TPI spiral fluted flash can w/crusher washer;AR15/.750 micro/low profile gas block/mil-spec/steel; pistol length gas tube w/pin/steel; ultra slim clamp on MLOK free...

If youre looking to build the most compact 9mm AR then look no further. CMMGs 9mm RDB uppers feature uncompromised design and engineering with styling that is never mistaken for something else. Having more options is always better, like what magazines...

(Magwell & Weight Compatible) Install your P320 firing control unit into this Grip Module Assembly to convert to a P320 XSERIESCarry chambered in 9mm, .357 SIG, .40AUTO with your selected grip size. Requires the 9mm, .357 SIG and .40AUTO slide and...

17 HMR AR-15 Upper Features: 18" Barrel, 1:9 Twist Rate, 1/2-28RH Threading, A2 Flash Hider Included, Blowback Operating System, Black Color (Optional Cerakote Upgrades Below), Two 10-round magazines, Parts Kit for Lower Conversion Included, Weight of...

The Tyrant CNC Snub Nose SIG SAUER P365 Grip Module is Crafted through rigorous design cycles and exhaustive quality assessments. This grip module reimagines what compact efficiency should be. While offering multiple configurations, including the X-Macro...

TacFire's AR-15 Stripped Upper Receiver is constructed of 7075-T6 aluminum with a black hardcoat anodized finish with M4 feed ramps to ensure proper cycling. It comes with both the dust cover and forward assist. NOTE: Requires charging handle, barrel,...

Instead of sourcing every part individually, the slide completion kit includes every part needed to assemble the internal workings of your slide, all designed to work together. Includes: Striker (firing pin) Spring, Extractor, Striker (firing pin) Safety...

The Kimber Rimfire Compact Conversion Kit turns your Pro, Compact or Ultra .45 or 9mm into a Compact slide, .22 LR pistol in about one minute. Features fixed sights, and fitted case. Also includes one 10-round magazine with spare extended pad for Ultra...

Includes 1 long and 1 short paddle with tumbler, detent, spring and 2 screws. 90 deg.

Chambered in 308 Win, this rifle upper is completely built and ready to be put on a lower. Includes a Bolt Carrier Group.

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. Includes...

Greyman comes in Type III Hard Coat Black, and 4 custom earth tone colors specific to the series. The New Charging Handle has smaller wings in size to make it more streamlined to the rifle. With rounded edges to prevent any snagging on gear while...

GRIP MODULE ASSY, 320, MANUAL SAFETY, 9/40/357, CARRY, SMALL, BLK

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

Tacfire's AR Pistol Build Kit Includes: (1) 9MM 7.5" Barrel USA Made, (1) 9MM Bolt Carrier Group, (1) Mil-Spec Upper Receiver USA Made, (1) Slim Free Float MLOK Hand Guard 7", (1) Complete Lower Parts Kit USA Made, (1) Standard Receiver End Plate, (1)...

CALIBER:.223 WYLDE CHAMBER FOR 5.56MM AND .223 CALIBERUPPER RECEIVER:FORGED A4BARREL:18-INCH HEAVY MATCH STAINLESS STEEL, CRYOGENICALLY TREATED, 1:8 TWISTMUZZLE DEVICE:RRA OPERATOR MUZZLE BREAK / 1/228 THREADGAS BLOCK:LOW PROFILE GAS BLOCKHANDGUARD:RRA...

TacFire's 9mm AR pistol build kit with LPK includes: 9mm 4.5" barrel (USA made); 9mm bolt carrier group; Mil-Spec upper receiver (USA made); 4" Slim free-float KeyMod handguard; complete lower parts kits (USA made); standard receiver end plate;...