Aero Precision M5 Threaded Assembled Upper Receiver AR Platform 22in Low Profile 1-8 Twist 5/8x24 Thread OD Green APAR308631AC

Aero Precision 308 Ar M5 Upper Receiver - M5 (.308) Assembled Upper Receiver Threaded Odg Cerakote

Forged from 7075-T6 aluminum, the Aero Precision M5 308 Upper Receiver is a great platform for a big-bore AR build. Precision machined to Aero Precision's specifications, the upper features M4 feedramps and a matte black hard coat anodized Mil 8625... ... more

Aero Precision 308 Ar M5 Upper Receiver - M5 (.308) Assembled Upper Receiver Threaded Kodiak Brown

Forged from 7075-T6 aluminum, the Aero Precision M5 308 Upper Receiver is a great platform for a big-bore AR build. Precision machined to Aero Precision's specifications, the upper features M4 feedramps and a matte black hard coat anodized Mil 8625... ... more

Aero Precision 308 Ar M5 Upper Receiver - M5 (.308) Assembled Upper Receiver Threaded Od Green

Forged from 7075-T6 aluminum, the Aero Precision M5 308 Upper Receiver is a great platform for a big-bore AR build. Precision machined to Aero Precision's specifications, the upper features M4 feedramps and a matte black hard coat anodized Mil 8625... ... more

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma FDE STAG10101411

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma FDE STAG10101411. Specifications for Stag Arms 10 Marksman Right Hand 22in 6.5mm Creedmoor Upper Receiver: Manufacturer: Stag... ... more

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 10in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard Black Anodized APAR700702M4

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 10in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard Black Anodized APAR700702M4. The R-ONE handguards are designed with size and weight in mind while still providing plenty of... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M25

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M25. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 16in 1-7 Twist A2 Flash Hider 5/8x24 Thread ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 16in 1-7 Twist A2 Flash Hider 5/8x24 Thread ATLAS R-ONE Handguard Black Anodized. 300 Blackout w/ ATLAS S-ONE Handguard Complete Upper Receiver. Aero Precision built these AR15 Upper... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Red XTSCU8300RD

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Red XTSCU8300RD. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCU8300BR

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTSCU8300BR. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue XTSCU8300BL

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue XTSCU8300BL. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Purple XTSCU8300PP

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 17.5in 8.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Purple XTSCU8300PP. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED With an Anchor Harvey Upper and an XTS Hand Guard.... ... more

Aero Precision M5E1 Complete Upper Reciever 6.5 CM 24in Rifle Barrel 1-8 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black

Aero Precision M5E1 Complete Upper Reciever 6.5 CM 24in Rifle Barrel 1-8 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... more

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel NJ Compliant BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel NJ Compliant BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black. Specifications for Stag Arms AR-10 Marksman Right Hand Upper Receiver: Manufacturer: Stag Arms Finish:... ... more

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black STAG10100511

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black STAG10100511. Specifications for Stag Arms 10 Marksman Right Hand 22in 6.5mm Creedmoor Upper Receiver: Manufacturer: Stag... ... more

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 8in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard FDE Cerakote APAR700711M1

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 8in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard FDE Cerakote APAR700711M1. 300 Blackout Complete Upper Receiver. Each of these AR15 Upper Receivers designed by Aero Precision contain... ... more

Stag Arms AR-10 Marksman Left Hand Upper Receiver 6.5 Creedmore 22in Barrel BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black STAG10110511

Stag Arms AR-10 Marksman Left Hand Upper Receiver 6.5 Creedmore 22in Barrel BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma Black STAG10110511. Specifications for Stag Arms 10 Marksman Left Hand 22in 6.5mm Creedmoor Upper Receiver: Manufacturer: Stag... ... more

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel NJ Compliant BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma FDE

Stag Arms AR-10 Marksman Right Hand Upper Receiver 6.5 Creedmore 22in Barrel NJ Compliant BULL Profile 1-10 Twist 5/8X24 Thread VG6 Gamma FDE. Specifications for Stag Arms AR-10 Marksman Right Hand Upper Receiver: Manufacturer: Stag Arms Finish:... ... more

Aero Precision Complete Upper M4E1-T 6.5 Grendel 18in 6.5 Grendel Rifle Length 1/8 Twist 5/8x24 Thread Stainless Steel w/ ATLAS R-ONE Handguard Black

Aero Precision Complete Upper M4E1-T 6.5 Grendel 18in 6.5 Grendel Rifle Length 1/8 Twist 5/8x24 Thread Stainless Steel w/ ATLAS R-ONE Handguard Black. 5 Grendel Complete Upper Receiver. Designed to be a low recoil/high accuracy cartridge the 6.5... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Anodized Black APAR308233M25

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Anodized Black APAR308233M25. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block... ... more

Daniel Defense Upper Receiver w/Flash Hider Assembly DD5 V4 URG 6.5mm 18in Barrel S2W Profile Rifle Length 1-8 Twist 5/8x24 Thread M-LOK Superior

Daniel Defense Upper Receiver w/Flash Hider Assembly DD5 V4 URG 6.5mm 18in Barrel S2W Profile Rifle Length 1-8 Twist 5/8x24 Thread M-LOK Superior. 5CM AR-style rifles. This highly accurate and durable URG includes an adjustable gas block that allows... ... more

Daniel Defense Upper Receiver w/Flash Hider Assembly DD5 V5 URG 6.5mm 20in Barrel S2W Profile Rifle +1 Length 1-8 Twist 5/8x24 Thread M-LOK Superior

Daniel Defense Upper Receiver w/Flash Hider Assembly DD5 V5 URG 6.5mm 20in Barrel S2W Profile Rifle +1 Length 1-8 Twist 5/8x24 Thread M-LOK Superior. 5CM AR-style rifles. This highly accurate and durable URG includes an adjustable gas block that allows... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

LaRue Tactical Stealth Threaded Barrel AR Platform AR-10 7.62 16in Rifle Length 1/8 Twist 5/8x24 Thread Black LT10-6S-M-308-8-16-Y-1M

LaRue Tactical Stealth Threaded Barrel AR Platform AR-10 7.62 16in Rifle Length 1/8 Twist 5/8x24 Thread Black LT10-6S-M-308-8-16-Y-1M. Stealth Uppers are considered by many to be the finest improvement that can be made to a stock AR-10 Rifle.... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Cerakote FDE APAR308253M25

Aero Precision M5E1 Complete Upper Reciever .308 18in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard CMV Cerakote FDE APAR308253M25. 308 rifle upper assemblies you can buy. The Aero Precision AR 308 Upper includes an M4 length gas block 18"... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrell 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrell 1-10 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Anodized Black. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M22

Aero Precision M5E1 Complete Upper Reciever .308 16in Mid Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Anodized Black APAR308554M22. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

LaRue Tactical Stealth Threaded Barrel AR Platform AR-10 7.62 20in Rifle Length 1/8 Twist 5/8x24 Thread Black LT10-6S-M-308-8-20-Y-1R

LaRue Tactical Stealth Threaded Barrel AR Platform AR-10 7.62 20in Rifle Length 1/8 Twist 5/8x24 Thread Black LT10-6S-M-308-8-20-Y-1R. Stealth Uppers are considered by many to be the finest improvement that can be made to a stock AR-10 Rifle.... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M42

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider ATLAS R-ONE Handguard Black Anodized APAR700705M42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard FDE Cerakote

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 18in 1-8 Twist A2 Flash Hider 15 in M-LOK ATLAS R-ONE Handguard FDE Cerakote. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These... ... more

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS S-ONE M-LOK

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel Government Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS S-ONE M-LOK. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Aero Precision M5E1 Complete Upper Reciever 6.5 CM 24in Rifle Barrel 1-8 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE

Aero Precision M5E1 Complete Upper Reciever 6.5 CM 24in Rifle Barrel 1-8 Twist 5/8x24 Thread Free-Float Handguard Stainless Steel Cerakote FDE. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... more

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in 1-8 Twist A2 Flash Hider 15in M-LOK ATLAS R-ONE Handguard Black Anodized

Aero Precision M4E1 Threaded .223 Wylde Complete Upper Receiver 16in 1-8 Twist A2 Flash Hider 15in M-LOK ATLAS R-ONE Handguard Black Anodized. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate to... ... 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 .300 Blackout Complete Upper Receiver 10in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard FDE Cerakote APAR700712M4

Aero Precision M4E1 Threaded .300 Blackout Complete Upper Receiver 10in 1-7 Twist 5/8x24 Thread ATLAS R-ONE Handguard FDE Cerakote APAR700712M4. The R-ONE handguards are designed with size and weight in mind while still providing plenty of real-estate... ... more

Aero Precision Complete Upper M4E1-T 6.5 Grendel 18in 6.5 Grendel Rifle Length 1/8 Twist 5/8x24 Thread Stainless Steel w/ ATLAS S-ONE Handguard Black

Aero Precision Complete Upper M4E1-T 6.5 Grendel 18in 6.5 Grendel Rifle Length 1/8 Twist 5/8x24 Thread Stainless Steel w/ ATLAS S-ONE Handguard Black. 5 Grendel Complete Upper Receiver. Designed to be a low recoil/high accuracy cartridge the 6.5... ... more