American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Flat Dark Earth 10.5 in UICCUBOPFDE10M2MLOK

American Defense Manufacturing Delta Scope Mount - 30mm 20 Moa Scope Mount, Flat Dark Earth

Whether it's an FN SCAR or a standard AR-15, mounting an optic on a flattop rail requires the use of a high-quality optics mount that securely connects the rifle to the glass. Otherwise, your complete rifle system won't perform when the critical moment... ... more

American Defense Manufacturing Delta Scope Mount - 30mm 0 Moa Scope Mount, Flat Dark Earth

Whether it's an FN SCAR or a standard AR-15, mounting an optic on a flattop rail requires the use of a high-quality optics mount that securely connects the rifle to the glass. Otherwise, your complete rifle system won't perform when the critical moment... ... more

Daniel Defense M4a1 Fsp 5.56x45mm Stripped Upper Receiver - M4a1 Fsp 5.56x45mm 14.5"bbl Stripped Upp

This Daniel Defense M4A1 FSP AR15 style Upper Receiver Group was built for customers wanting a firearm inspired by USSOCOM SOPMOD Block II. It features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth, a 14.5" M4 profile barrel, Mil-Spec... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark Earth

Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark Earth. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Flat Dark. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Flat Dark Earth

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Flat Dark Earth. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... more

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700314M5

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700314M5. 5in 5.56 Mid-Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider. Aero Precision designed these... ... more

Aero Precision M5 Complete Upper Receiver 24in 6.5 Creedmoor SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M47

Aero Precision M5 Complete Upper Receiver 24in 6.5 Creedmoor SS Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M47. 5 Creedmoor SS Complete Upper Receiver w/ ATLAS R-ONE Handguard includes an M5 assembled upper... ... more

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M22

Aero Precision M5 Complete Upper Receiver 16in .308 CMV Mid Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M22. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. This upper by Aero Precision features an ATLAS S-ONE... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 12in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700314M6

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 12in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700314M6. Specifications for Aero Precision M4E1 16in 5.56 ATLAS S-ONE M-LOK Complete Upper Receiver with Flash Hider:... ... more

Aero Precision M5 Complete Upper Receiver 24in 6.5 Creedmoor SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M47

Aero Precision M5 Complete Upper Receiver 24in 6.5 Creedmoor SS Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M47. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a... ... more

American Defense Manufacturing .223 Wylde 16 Inch Barrel M-Lok Rail Upper Receiver Flat Dark Earth 16 in UICCUPFDE16M2MLOK

American Defense Manufacturing .223 Wylde 16 Inch Barrel M-Lok Rail Upper Receiver Flat Dark Earth 16 in UICCUPFDE16M2MLOK. 223 Wylde 16 Inch Barrel M-Lok Rail Upper Receiver: Manufacturer: American Defense Manufacturing Cartridge: .223 Wylde Barrel... ... more

American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Flat Dark Earth 12.5 in UICCUPFDE12M2MLOK

American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Flat Dark Earth 12.5 in UICCUPFDE12M2MLOK. 56 12.5 Inch Barrel M-Lok Rail Upper Reciever: Manufacturer: American Defense Manufacturing Cartridge: 5.56x45mm NATO Barrel... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider OD Green

Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider OD Green. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build... ... more

American Defense Manufacturing 5.56 14.5 Inch Barrel M-Lok Rail Upper Reciever Flat Dark Earth 14.5 in UICCUPFDE14M2MLOK

American Defense Manufacturing 5.56 14.5 Inch Barrel M-Lok Rail Upper Reciever Flat Dark Earth 14.5 in UICCUPFDE14M2MLOK. 56 14.5 Inch Barrel M-Lok Rail Upper Reciever. Built with a Criterion 14.5-inch barrel these AR15 Upper Receivers by American... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Flat Dark

Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Flat Dark. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... 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 Flat Dark

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 Flat Dark. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for... ... more

Aero Precision Complete Upper Receiver M4E1-T .300 16in Blackout Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M14

Aero Precision Complete Upper Receiver M4E1-T .300 16in Blackout Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M14. 300 Blackout w/ ATLAS S-ONE Handguard Complete Upper Receiver. Aero Precision built these AR15 Upper... ... more

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde SS Mid Barrel Quantum 12in M-LOK Handguard Flat Dark Earth APAR640114M9

Aero Precision Complete Upper Receiver M4E1-E 16in .223 Wylde SS Mid Barrel Quantum 12in M-LOK Handguard Flat Dark Earth APAR640114M9. Key features include the addition of built in anti-rotation tabs removable 4-slot picatinny rail section for front... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M25

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS S-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538115M25. 308 CMV Complete Upper Receiver w/ ATLAS S-ONE Handguard. Forged from 7075 T6 aluminum these Aero Precision AR15... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M6

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in M4 Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M6. Specifications for Aero Precision M4E1 16in 5.56 ATLAS S-ONE M-LOK Complete Upper Receiver with Flash Hider:... ... more

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M48

Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M48. Aero Precision built these AR Handguards & Barrels with their ATLAS S-ONE Handguard and 20in 5.56 Rifle... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M7

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M7. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by... ... more

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M25

Aero Precision M5 Complete Upper Receiver 18in .308 Rifle Barrel w/ATLAS R-ONE 15in M-LOK Handguard Anodized Flat Dark Earth APAR538715M25. 308 CMV Complete Upper Receiver with Flash Hider w/ ATLAS R-ONE Handguard is the perfect choice for your next AR... ... more

American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Olive Drab 10.5 in UICCUBOOD10M2MLOK

American Defense Manufacturing 300 Out 10.5 Inch Barrel M-Lok Rail Upper Reciever Olive Drab 10.5 in UICCUBOOD10M2MLOK. 5 Inch Barrel M-Lok Rail Upper Reciever lives up to its name. American Defense Manufacturing crafted this .300 AAC Blackout Rifle... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Blue

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Blue. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M51

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Cerakote Flat Dark Earth APAR700315M51. 223 Wylde fluted barrel complete with an ATLAS handguard The upper receiver is enhanced with new... ... more

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Carbine Length Barrel 12in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700314M32

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Carbine Length Barrel 12in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700314M32. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to... ... more

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700315M42

Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Flat Dark Earth APAR700315M42. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your... ... 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 OD Green

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 OD Green. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for... ... more

Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Tactical

Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Tactical. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... 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 Tactical Grape

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 Tactical Grape. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6... ... 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

Grid Defense Complete Upper Receiver 5.56mm 16 inch Carbine Length 4150 M4 Barrel 1-7 Twist 14 inch M-LOK Rail A2 Flash Hider Black GD16E14GFR556BLK

Grid Defense Complete Upper Receiver 5.56mm 16 inch Carbine Length 4150 M4 Barrel 1-7 Twist 14 inch M-LOK Rail A2 Flash Hider Black GD16E14GFR556BLK. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum... ... more