POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel 5 Position Adjustable M-Lok Edge Three-Prong Flash Hider Olive

Brownells Ar-15 16" Upper Receiver Assemblies 5.56mm - Brn-15 16" Upper Receiver Assy .625" W/ Ch &

Manufactured in the US with the highest quality components, the BRN-15 Upper Receiver Groups are great starts for your next build. The BRN-15 Upper Receiver Groups feature a 5.56x45mm NATO chambered, nitride finished barrel, available in several... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver... ... more

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Magpul

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Magpul. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH Magpul

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH Magpul. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 14.5 in Mid Length Barrel 12 in M-LOK Handguard No BCG/CH Magpul Cerakote Flat Dark

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 14.5 in Mid Length Barrel 12 in M-LOK Handguard No BCG/CH Magpul Cerakote Flat Dark. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 20in Rifle Length Black RKT102

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 20in Rifle Length Black RKT102. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 16 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Anodized Black

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 16 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Anodized Black. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the full... ... more

Aero Precision M4E1 Complete Upper Receiver with Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Anodized Black

Aero Precision M4E1 Complete Upper Receiver with Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Anodized Black. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 10.5in Barrel 9in M-LOK Rail Black Anodized 1269

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 10.5in Barrel 9in M-LOK Rail Black Anodized 1269. Originally developed over 15 years ago POF USA has been constantly testing upgrading and improving the design to perfect it. The P-415 features... ... more

POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length 9 Position Dictator Adjustable Renegade

POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length 9 Position Dictator Adjustable Renegade. 56 10.5" Barrel 9 Position Dictator Gas Block 9" Rail. Renegade Plus Upper: When we decided to make a direct... ... more

POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length 9 Position Dictator Adjustable Renegade Triple Port

POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length 9 Position Dictator Adjustable Renegade Triple Port. 56 10.5" Barrel 9 Position Dictator Gas Block 9" Rail. Renegade Plus Upper: When we decided to make a... ... more

POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length 9 Position Dictator Adjustable Renegade Triple Port

POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length 9 Position Dictator Adjustable Renegade Triple Port. 56 10.5" Barrel 9 Position Dictator Gas Block 9" Rail. Renegade Plus Upper: When we decided to make a... ... more

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length Lo Pro DI Renegade Micro B Muzzle Break Blue Titanium

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length Lo Pro DI Renegade Micro B Muzzle Break Blue Titanium. 56 16.5" Barrel Mid?Length Lo Pro DI Gas Block 14.5" Rail. The Wonder Rifle is our answer to a... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Chrome Lined Teflon Black DT1013C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Chrome Lined Teflon Black DT1013C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Carbine Length Black RKT101

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Carbine Length Black RKT101. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 11.5in Pistol Length Black RKT107

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 11.5in Pistol Length Black RKT107. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Mid-Length Black RKT104

Del-Ton Pre-Ban Heavy Profile Rifle Complete Upper Receiver 5.56x45mm NATO 16in Mid-Length Black RKT104. Del-Ton brings this rifle kit with a complete upper assembly that has been head-spaced and test-fired. Includes all buttstock components and a... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Standard Teflon Black DT1007

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Standard Teflon Black DT1007. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Alpha Shooting Sports SSR15 Upper Receiver 5.56x45mm NATO 16in Hybrid Profile Mid Length 1-8 Twist Free Floating M-LOK Handguard A2 Flash Hider

Alpha Shooting Sports SSR15 Upper Receiver 5.56x45mm NATO 16in Hybrid Profile Mid Length 1-8 Twist Free Floating M-LOK Handguard A2 Flash Hider. 56x45mm NATO Upper Receiver with Flash Hider Assembly. Established working with several of the most... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Standard Teflon Black DT1013

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 20 in Rifle Length 1-9 Twist Standard Teflon Black DT1013. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG 5.56x45mm NATO 25 inch 16 inch Barrel Government Profile Mid Length 1-7 Twist

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG 5.56x45mm NATO 25 inch 16 inch Barrel Government Profile Mid Length 1-7 Twist. It features a 12.5 inch lightweight RIS III railmodeled after the revolutionary RIS II two-piece... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Mid Length 1-9 Twist Chrome Lined Teflon Black DT1023C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Mid Length 1-9 Twist Chrome Lined Teflon Black DT1023C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIIIS URG 5.56x45mm NATO 20.5 inch 11.5 inch Barrel Government Profile Carbine Length 1-7

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIIIS URG 5.56x45mm NATO 20.5 inch 11.5 inch Barrel Government Profile Carbine Length 1-7. 5 inch Cold Hammer Forged Government Profile barrel with a Daniel Defense Flash Suppressor a... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1007C

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 16 in Carbine Length 1-9 Twist Chrome Lined Teflon Black DT1007C. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build.... ... more

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 14.5 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Anodized Black

Aero Precision M4E1 Complete Upper Receiver AR-15 5.56x45mm NATO 14.5 in Mid Length Barrel 12 in Quad Rail Handguard No BCG/CH Anodized Black. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... ... more

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 10.5in Barrel 9in M-LOK Rail Cerakote Burnt Bronze 1313

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 10.5in Barrel 9in M-LOK Rail Cerakote Burnt Bronze 1313. Originally developed over 15 years ago POF USA has been constantly testing upgrading and improving the design to perfect it. The P-415... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... more

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel 5 Position Adjustable M-Lok Edge Triple Port Muzzle Break Olive

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel 5 Position Adjustable M-Lok Edge Triple Port Muzzle Break Olive. Originally developed over 15 years ago POF USA has been constantly testing upgrading and improving the... ... more

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Standard Teflon Black DT1019

Del-Ton Pre-Ban Heavy Profile Flat Top Barrel Assembly 5.56x45mm NATO 11.5 in Carbine Length 1-9 Twist Standard Teflon Black DT1019. Developed by Del-Ton the Pre-Ban Flat Top Rifle Assembly is the perfect upper for any heavy-profile rifle build. This... ... more

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel 5 Position Adjustable M-Lok Edge Triple Port Muzzle Break

POF USA P415 Edge Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel 5 Position Adjustable M-Lok Edge Triple Port Muzzle Break. Originally developed over 15 years ago POF USA has been constantly testing upgrading and improving the... ... more

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length Lo Pro DI Renegade Micro B Muzzle Break Winter White 1980

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 16.5 in Barrel Mid Length Lo Pro DI Renegade Micro B Muzzle Break Winter White 1980. 56 16.5" Barrel Mid?Length Lo Pro DI Gas Block 14.5" Rail. The Wonder Rifle is our answer to a... ... more

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Winter

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Winter. 56 16.5" Barrel Mid?Length Lo Pro DI Gas Block 14.5" Rail. The Wonder Rifle is our answer to a... ... more

POF USA Rogue Upper Receiver Assembly 6mm Creedmoor 34 in Length 22 in Barrel Rifle Length 9 Position Dictator Adjustable M-Lok Renegade Single Port

POF USA Rogue Upper Receiver Assembly 6mm Creedmoor 34 in Length 22 in Barrel Rifle Length 9 Position Dictator Adjustable M-Lok Renegade Single Port. Specifications for POF USA Rogue 16.5 in Barrel .308 Winchester Upper Receiver Assembly: Manufacturer:... ... more

POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length 9 Position Dictator Adjustable Renegade

POF USA Renegade+ Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length 9 Position Dictator Adjustable Renegade. 56 10.5" Barrel 9 Position Dictator Gas Block 9" Rail. Renegade Plus Upper: When we decided to make a direct... ... more