Luth-AR 18 in MARK12 Complete Upper Barrel Assembly MLOK Black 18 BAA3-M12M

Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x9 twist MLOK Free Float Handguard Black 16 BAA3-L16M

Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x9 twist MLOK Free Float Handguard Black 16 BAA3-L16M. 56mm Lightweight barrel made from 4140 Chrome Molly with a 1-9 in twist mated to our A3 Flattop receiver which includes... ... more

Luth-AR 18 in Mark 12 kit minus Lower Receiver w/coll. Stock Black Carbine RKM12-18-3M

Luth-AR 18 in Mark 12 kit minus Lower Receiver w/coll. Stock Black Carbine RKM12-18-3M. 56mm Overall Length: 28 in Barrel Length: 18 in Barrel Profile: Heavy Barrel Twist Rate: 1-9 Threads per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: A2... ... more

Luth-AR 18 in Mark 12 kit minus Lower Receiver w/fixed stock Black Rifle RKM12-18-1M

Luth-AR 18 in Mark 12 kit minus Lower Receiver w/fixed stock Black Rifle RKM12-18-1M. 56mm Overall Length: 28 in Barrel Length: 18 in Barrel Profile: Heavy Barrel Twist Rate: 1-9 Threads per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: A2... ... more

Luth-AR 18 in Bull Rifle kit minus Lower Receiver w/fixed stock M-Lok Black Rifle RKB-18-1M

Luth-AR 18 in Bull Rifle kit minus Lower Receiver w/fixed stock M-Lok Black Rifle RKB-18-1M. 223 Rem fluted bull barrel AR Rifle kit the ultimate choice for precision and accuracy. Built with high-quality components this kit includes a 18 in fluted... ... more

Luth-AR Mark 12 Complete Upper Barrel Receiver Assembly 5.56 mm 27in 18in Government Rifle 1x9 1/2x28 PicatinnyKey MOD A2 Flash Hider Anodized

Luth-AR Mark 12 Complete Upper Barrel Receiver Assembly 5.56 mm 27in 18in Government Rifle 1x9 1/2x28 PicatinnyKey MOD A2 Flash Hider Anodized. 56mm Lightweight barrel made from 4150 Chrome Molly with a 1-9 twist mated to Luth-AR A3 Flattop receiver... ... more

Luth-AR 11.5 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist K-Mod Free Float Handguard Black 11.5 BA-11-7K

Luth-AR 11.5 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist K-Mod Free Float Handguard Black 11.5 BA-11-7K. 5 in complete upper barrel assembly is a lightweight and durable option for your next build. With a 1-7 twist rate it... ... more

Luth-AR 11.5 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist M-Lok Free Float Handguard Black 11.5 BA-11-7M

Luth-AR 11.5 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist M-Lok Free Float Handguard Black 11.5 BA-11-7M. 5 in complete upper barrel assembly is a lightweight and durable option for your next build. With a 1-7 twist rate it... ... more

Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist M-LOK Free Float Handguard Black 16 BA-L16-7M

Luth-AR 16 in Light Weight Complete Upper Barrel Receiver Assembly - 5.56 1x7 twist M-LOK Free Float Handguard Black 16 BA-L16-7M. 56mm Lightweight barrel made from 4140 Chrome Molly with a 1-9 in twist mated to our A3 Flattop receiver which includes... ... more

Luth-AR Complete Upper Receiver Assembly .223 31in 24in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/

Luth-AR Complete Upper Receiver Assembly .223 31in 24in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/. 223 Caliber fluted bull barrel made from 416 SST with a 1-9 twist mated to Luth-AR A3 Flattop receiver... ... more

Luth-AR Complete Upper Receiver Assembly .223 27in 18in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/

Luth-AR Complete Upper Receiver Assembly .223 27in 18in Bull Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/. 223 Caliber fluted bull barrel made from 416 SST with a 1-9 twist mated to Luth-AR A3 Flattop receiver... ... more

WMD Guns Upper Assembly Billet AR-15 .224 MLOK HG 15in 18in Barrel NiB-X Nickel 1-NIBXUA224-18

WMD Guns Upper Assembly Billet AR-15 .224 MLOK HG 15in 18in Barrel NiB-X Nickel 1-NIBXUA224-18. Specifications for WMD Guns AR-15 Billet Upper Assembly w/ M-LOK Handguard: Manufacturer: WMD Guns Handguard Type: Free-Float Finish: NiB-X Color: Nickel... ... more

Luth-AR Mark 12 Kit Minus Lower Receiver w/ Collapsible Stock 5.56mm 27in 18in Government Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized

Luth-AR Mark 12 Kit Minus Lower Receiver w/ Collapsible Stock 5.56mm 27in 18in Government Rifle 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized. 56 Complete Mark 12 Barrel Kit features an 18 inch Mark 12 5.56mm barrel and a 15in KeyMod short... ... more

Luth-AR 18 in Bull Barrel Complete Upper Barrel Receiver Assembly Silver/Black 18 FTBL-B18M

Luth-AR 18 in Bull Barrel Complete Upper Barrel Receiver Assembly Silver/Black 18 FTBL-B18M. The barrel is made of 4140 Chrome Molly providing accuracy and durability. The 1-9 twist rate is optimized for stabilizing heavy projectiles. This assembly... ... more

Alexander Arms AR15 Stripped Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Black KIT-65-18

Alexander Arms AR15 Stripped Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Black KIT-65-18. The Upper Receiver Built Kit comes with all the key components making it an excellent choice for a home build. Specifications... ... more

Luth-AR Lightweight Complete Upper Barrel Receiver Assembly 5.56mm 20in 11.5in HBAR Carbine 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized

Luth-AR Lightweight Complete Upper Barrel Receiver Assembly 5.56mm 20in 11.5in HBAR Carbine 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized. 56mm Lightweight barrel made from 4150 Chrome Molly with a 1-9 twist mated to Luth-AR A3 Flattop receiver... ... more

Dark Storm Industries DS-15 Complete Upper Receiver MOE Model .300 Blackout 16in Barrel 1-8 Twist Non-Threaded Black DSI-UC5-MOE-N3-BLK

Dark Storm Industries DS-15 Complete Upper Receiver MOE Model .300 Blackout 16in Barrel 1-8 Twist Non-Threaded Black DSI-UC5-MOE-N3-BLK. 300blk is the model we make for those that want a simple and clean build with a great barrel. It is built with the... ... more

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver .300 Blackout 7.5in Barrel M4 Pistol Profile 1-8 Twist 5/8x24 Thread M-Lok FirestormType

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver .300 Blackout 7.5in Barrel M4 Pistol Profile 1-8 Twist 5/8x24 Thread M-Lok FirestormType. 5in .300 Blackout Complete Upper Receiver. These AR15 Upper Receivers through the expert product... ... more

Luth-AR Lightweight Complete Upper Barrel Receiver Assembly 5.56mm 26in 16in Light Weight Carbine 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized

Luth-AR Lightweight Complete Upper Barrel Receiver Assembly 5.56mm 26in 16in Light Weight Carbine 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized. 56mm Lightweight barrel made from 4150 Chrome Molly with a 1-9 twist mated to Luth-AR A3 Flattop... ... more

Luth-AR 20 in Bull Barrel Complete Upper Barrel Receiver Assembly Silver/Black 20 FTBL-B20M

Luth-AR 20 in Bull Barrel Complete Upper Barrel Receiver Assembly Silver/Black 20 FTBL-B20M. The fluted bull barrel profile provides adds strength for stability reducing recoil and increasing accuracy. The barrel is made of high-quality stainless steel... ... more

Luth-AR Complete Upper Receiver Assembly .223 26in 16in Bull Carbine 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/

Luth-AR Complete Upper Receiver Assembly .223 26in 16in Bull Carbine 1x9 1/2x28 Picatinny Key MOD A2 Flash Hider Anodized Manganese Phosphate Silver/. 223 Caliber fluted bull barrel made from 416 SST with a 1-9 twist mated to Luth-AR A3 Flattop... ... more

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Anodized Black

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Anodized Black. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate... ... more

Jacob Grey Firearms Complete Upper Assembly AR-10 6.5 CM 20in 1-8 Twist 5/8x24 Thread Black 65CUA20

Jacob Grey Firearms Complete Upper Assembly AR-10 6.5 CM 20in 1-8 Twist 5/8x24 Thread Black 65CUA20. Not only have we designed an upper receiver that is aggressive in styling but also weighs less than standard AR-10 Upper Receivers. Excess material was... ... more

Sons of Liberty Gun Works Match Half Complete Upper Receiver M89 6.5 Grendel 18in 16.75in Marksman Barrel M89 Rail No BCG or CH Black

Sons of Liberty Gun Works Match Half Complete Upper Receiver M89 6.5 Grendel 18in 16.75in Marksman Barrel M89 Rail No BCG or CH Black. 5 Grendel Half Complete Upper Receiver then you have come to the ideal spot.. These AR15 Upper Receivers through the... ... more

LaRue Tactical Upper Reciever Complete .308 Keymod Upper 18 in Barrel Urban Dark Earth Medium DPMS Cut LTD-KU-308-18-UDE-145

LaRue Tactical Upper Reciever Complete .308 Keymod Upper 18 in Barrel Urban Dark Earth Medium DPMS Cut LTD-KU-308-18-UDE-145. The upper is complete with BCG and includes a 18 barrel with an A2-style flash hider. It is ready to be installed on your next... ... more

Luth-AR A3 Complete Upper Receiver Assembled 16in Lightweight Barrel 5.56mm 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ Key MOD Palm Handguard Black

Luth-AR A3 Complete Upper Receiver Assembled 16in Lightweight Barrel 5.56mm 1-7 Twist 1/2 x 28 Thread A2 Flash Hider w/ Key MOD Palm Handguard Black. 5? M4 SOCOM profile barrel with F Marked Front Sight Base 5.56mm made from 4150 CMV steel with a 1-7?... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in Mid-Length Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Magpul Cerakote Flat

Aero Precision M4E1 Threaded .223 Wylde w/ ATLAS R-ONE Handguard Complete Upper Receiver 18 inch Barrel 1-8 Twist A2 Flash Hider Magpul Cerakote Flat. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver. These XTS complete uppers do not include the Bolt Carrier Group. Specifications for XTS AR-15 16in 300 BO... ... more

Aero Precision Complete Upper Receiver M5E1 24in Barrel 6.5mm Creedmoor Rifle Length 1-8 Twist 416R Stainless Steel EM15 Handguard Anodized Black

Aero Precision Complete Upper Receiver M5E1 24in Barrel 6.5mm Creedmoor Rifle Length 1-8 Twist 416R Stainless Steel EM15 Handguard Anodized Black. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... more

Aero Precision Complete Upper Receiver M5E1 22in Barrel 6.5mm Creedmoor Rifle Length 1-8 Twist 416R Stainless Steel EM15 Anodized Black APAR308554M70

Aero Precision Complete Upper Receiver M5E1 22in Barrel 6.5mm Creedmoor Rifle Length 1-8 Twist 416R Stainless Steel EM15 Anodized Black APAR308554M70. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip... ... more

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish XTS-CU8300CE

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish XTS-CU8300CE. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard this... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 24.75 inch 16 inch Barrel Intermediate 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 24.75 inch 16 inch Barrel Intermediate 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

Wilson Combat Complete Upper Receiver Super Sniper .223 Wylde 20 inch Barrel Rifle Length 1-8 Twist M-LOK Handguard Armor-Tuff Black TR-UF223SSR20FC8B

Wilson Combat Complete Upper Receiver Super Sniper .223 Wylde 20 inch Barrel Rifle Length 1-8 Twist M-LOK Handguard Armor-Tuff Black TR-UF223SSR20FC8B. The Wilson Combat machined hand polished match grade stainless barrel is the core of these accurate... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish. These XTS complete uppers do not include the Bolt Carrier Group. Specifications for XTS AR-15 16in... ... more

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 300 BO 24.75in 16in Barrel Carbine 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish. These XTS complete uppers do not include the Bolt Carrier Group. Specifications for XTS AR-15 16in... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in Fluted Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in Fluted Barrel 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... more