Outerwild AR15 Complete Premium Upper Receiver 5.56NATO 16in 1-7 Twist 13in M-LOK Handguard Black Anodize 4027-3410-028-O

Outerwild AR15 Complete Premium Upper Receiver Billet .223 Wylde 16in 1-7 Twist 15in M-LOK Handguard Black Anodize 4027-3410-025-O

Outerwild AR15 Complete Premium Upper Receiver Billet .223 Wylde 16in 1-7 Twist 15in M-LOK Handguard Black Anodize 4027-3410-025-O. The Outerwild complete upper receivers are made from the highest quality made in specialized factories components.... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more

LWRCI Complete Di Upper Receiver 5.56mm 16 inch Barrel 1-7 Twist M-LOK Handguard Black 16in ICDIU5B16ML

LWRCI Complete Di Upper Receiver 5.56mm 16 inch Barrel 1-7 Twist M-LOK Handguard Black 16in ICDIU5B16ML. The IC DI MLOK Upper is a true step up from standard Direct Impingement model. IC DI MLOK Upper Receiver ships complete with LWRCI Bolt Carrier... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol Length 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Tiger Rock Complete Upper Receiver .300 Blackout AR 7.5in Pistol Length 1-7 Twist w/ M-LOK Handguard Black Large UB300-P7.5-4ML

Tiger Rock Complete Upper Receiver .300 Blackout AR 7.5in Pistol Length 1-7 Twist w/ M-LOK Handguard Black Large UB300-P7.5-4ML. 300 Blackout Complete Upper Receiver then you have come to the right spot.. Established using several of the very most... ... more

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III. 750 Micro Gas Block andPistol Gas System DSI 7.5" SOCOM 5.56 Threaded 1:7 Nitrite Barrel andDSI... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Tiger Rock Complete Upper Receiver AR 7.62X39 16in Carbine Length 1-10 Twist w/ 12in M-LOK Handguard Black Large UB762-12ML

Tiger Rock Complete Upper Receiver AR 7.62X39 16in Carbine Length 1-10 Twist w/ 12in M-LOK Handguard Black Large UB762-12ML. 62X39 Complete Upper Receiver. These AR15 Upper Receivers from the skilled product specialists at Tiger Rock are designed using... ... more

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver 16in Mid-Length Barrel 1-7 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized. Specifications for Aero Precision M4E1 16in 5.56 ATLAS R-ONE M-LOK Complete Upper Receiver with Flash... ... more

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash Can. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Sharps Bros. 16in AR15/M4 Complete Upper Receiver 5.56/.223 Cal 15in Handguard Mid Length 1-7 Twist Rate 1/2x28 TPI Black Nitride SBBU01

Sharps Bros. 16in AR15/M4 Complete Upper Receiver 5.56/.223 Cal 15in Handguard Mid Length 1-7 Twist Rate 1/2x28 TPI Black Nitride SBBU01. Specifications for Sharps Bros. 16in AR15/M4 5.56/.223 Complete Upper Receiver: Manufacturer: Sharps Bros.... ... more

Tiger Rock Complete Upper Receiver .300 Blackout AR 16in Pistol Length 1/8 Twist w/ 15in M-LOK Handguard Black Large UB300-15ML

Tiger Rock Complete Upper Receiver .300 Blackout AR 16in Pistol Length 1/8 Twist w/ 15in M-LOK Handguard Black Large UB300-15ML. 300 Blackout Complete Upper Receiver then you have come to the right spot.. Established using several of the very most... ... more

TRYBE Defense Complete Upper Receiver AR-15 5.56x45mm NATO 16in 5R Barrel 1-7 Twist 15in M-LOK Rail A2 Flash Hider BCG and CH Nitride Black UPPER16556

TRYBE Defense Complete Upper Receiver AR-15 5.56x45mm NATO 16in 5R Barrel 1-7 Twist 15in M-LOK Rail A2 Flash Hider BCG and CH Nitride Black UPPER16556. You need it. If you're ready to enjoy the awesomeness that is an AR Pistol the TRYBE Defense AR-15... ... more

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16. The Upper Receiver 16in Barrel and Bolt Carrier Group are made in specialized factories Included is a 16in Free Float Keymod... ... more

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black APAR700305M72

Aero Precision M4E1-T Complete Upper .223 Wylde 16in Mid Length 1/8 15in M-LOK AR15 ATLAS S-ONE A2 Anodize Black APAR700305M72. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to accommodate... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 7.5in Pistol 4150 M4 Barrel 1-7 Twist 9in M-LOK Free Float Hand Guard Flash Can. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 5.56mm 10.5in Carbine 4150 M4 Barrel 1-7 Twist 11in M-LOK Free Float Hand Guard Flash. 56 Complete Upper Receiver w/Pistol Lower Parts Kit is the perfect item for those looking to create a... ... more

Outerwild AR15 Barrel AR Platform 5.56NATO 16in Government Mid Length 1-7 Twist 1/2x28 Thread Black Nitride 1101-0201-005-O

Outerwild AR15 Barrel AR Platform 5.56NATO 16in Government Mid Length 1-7 Twist 1/2x28 Thread Black Nitride 1101-0201-005-O. Using fully automated robotically-driven production line drill ream rifle contour and assemble our barrels from raw bar stock... ... more

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle

Ghost Firearms Elite Complete Upper Receiver .300 Blackout 16in Pistol 4150 Light HBAR Barrel 1-8 Twist 14in M-LOK Free Float Hand Guard A2 Muzzle. 300 Blackout Upper Receiver is an essential part of any build. Ghost Firearms machined these Mil-Spec... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage Muzzle

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage Muzzle. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage

Ghost Firearms Elite Complete Upper Receiver 5.56x45 NATO 16in Carbine Length 4150 M4 Barrel 1-7 Twist 14in M-LOK Free Float Hand Guard A2 Birdcage. 56 Upper Receiver. Ghost Firearms machined these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Black

Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Black. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for a... ... more

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 16in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Triport

OP Exclusive Moriarti AR-15 Upper Receiver 300 Blackout 16in Pistol Medium M-LOK 1-7 Twist 5/8x24 Thread Diamond Cut Free-Float Handguard Triport. These AR15 Upper Receivers from the professional product professionals at Moriarti are made by using... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 19.5in 10.5in Carbinel Government 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Red

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 19.5in 10.5in Carbinel Government 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Red. 56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. With... ... more

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish. 5in 5.56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 19.5in 10.5in Carbinel Government 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 19.5in 10.5in Carbinel Government 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. With an... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 19.5in 10.5in Carbinel Government 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 19.5in 10.5in Carbinel Government 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. With an... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Purple XTS-CU-7PP

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Purple XTS-CU-7PP. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 19.5in 10.5in Carbinel Government 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 19.5in 10.5in Carbinel Government 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish. 56 upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. With an... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Red XTS-CU-7RD

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Red XTS-CU-7RD. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more