Hunting & Archery Equipment › lwrci complete di upper receiver

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Anodized Black APAR640251M42

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Anodized Black APAR640251M42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper... more

Bore Tech Complete Receiver Cleaning Kit SKU - 476573

Bore Techs patent pending AR Receiver Cleaning Kit is the industrys most innovative and comprehensive kit specifically engineered for precision cleaning of AR upper and lower receivers. Featuring professional grade tools, the kit simply and effectively... more

Volquartsen Llv Competition Upper Receiver 4.5" Ts Black

A hard anodized CNC-machined billet receiver is the foundation of this lightweight setup. The complete barreled receiver weighs under 16oz! The receiver and barrel shroud are precision-machined as one piece from aluminum alloy. An integral Picatinny... more

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Cerakote FDE APAR640252M42

Aero Precision M4E1 Complete Upper Receiver 18in .223 Wylde Rifle Barrel EM-15 HG Gen 2 Cerakote FDE APAR640252M42. 223 Wylde Complete Upper Receiver is a one-piece free float design with built-in anti-rotation tabs. These upper receivers AR15 Upper... more

Daniel Defense Mk18 Stripped Socom Upper Receiver W/ Handguard Only

Daniel Defense manufactures the highest quality complete AR-15 upper receivers on the market today! Every Daniel Defense upper is painstakingly hand assembled, quality assurance tested, and test fired to ensure that the highest quality product makes it... more

Spikes Tactical Ar-15/M16 M4 Upper Receiver

Complete upper fully assembled and ready to install on an AR-15/M16/M4 lower receiver Every component is carefully manufactured, finished, and tested to meet or exceed current military specifications to produces a reliable, smooth-functioning rifle... more

Daniel Defense Mk18 5.56 Upper Receiver Group Complete - Mk18 10.3" Upper Receiver 5.56 1-7 Govt Bla

The Daniel Defense MK18 Upper Receiver Group features the railed forend Daniel Defense currently provides to USSOCOM and a 10.3" Cold Hammer Forged Barrel. The MK18 Rail Interface System (RIS II) features the Bolt-Up System has been rigorously tested... more

Rainier Arms MK12 223 Wylde Partial Upper Receiver Black 18 in RA-MK12-DI-18R-PU

Rainier Arms MK12 223 Wylde Partial Upper Receiver Black 18 in RA-MK12-DI-18R-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper build utilizes a Precision Reflex GEN III free float handguard... more

Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver Black 14.5 in RA-RUC-DI-14M-PU

Rainier Arms RUC DI 5.56 Nato Partial Upper Receiver Black 14.5 in RA-RUC-DI-14M-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a direct impingement operating system on their new... more

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver 16in Black Medium RA-RUC-DI-16M-PU

Rainier Arms RUC DI 5.56 NATO Partial Upper Receiver 16in Black Medium RA-RUC-DI-16M-PU. Bringing the highest quality parts to the market while offering the best value as well. This partial upper utilizes a direct impingement operating system on their... more

Rainier Arms RUC DI 5.56 NATO Complete Upper 16in Black Medium RA-RUC-DI-16M-CU

Rainier Arms RUC DI 5.56 NATO Complete Upper 16in Black Medium RA-RUC-DI-16M-CU. Bringing the highest quality parts to the market while offering the best value as well. This complete upper utilizes a direct impingement operating system on their new and... more

Guntec USA AR-15 5.56 Complete Upper Receiver Combo Kit Black GT-UPPER-KIT

Guntec USA AR-15 5.56 Complete Upper Receiver Combo Kit Black GT-UPPER-KIT. Formulated by using several of the most heavy duty and long lasting substances available these AR15 Upper Receivers from Guntec USA provides you with a product that will give... more

Guntec USA AR .308 AIR-LOK Series Complete Furniture Set W/Matching Upper Receiver Green AIRLOK-SET-UPPER-308-GREEN

Guntec USA AR .308 AIR-LOK Series Complete Furniture Set W/Matching Upper Receiver Green AIRLOK-SET-UPPER-308-GREEN. The goal is to distribute excellent quality at an economical value. Specifications for Guntec USA AR .308 AIR-LOK Series Complete... more

Fostech Lite Upper Complete Upper Receiver Nickel Boron Bolt Carrier Group Graphite Black 6205

Fostech Lite Upper Complete Upper Receiver Nickel Boron Bolt Carrier Group Graphite Black 6205. FosTecH Complete Lite Upper reciever Specifications for Fostech Lite Upper Complete Upper Receiver: Manufacturer: Fostech Condition: New Features of Fostech... more

Fostech Lite Upper Complete Upper Receiver Nickel Boron Bolt Carrier Group OD Green 6205-OD

Fostech Lite Upper Complete Upper Receiver Nickel Boron Bolt Carrier Group OD Green 6205-OD. FosTecH Complete Lite Upper reciever Specifications for Fostech Lite Upper Complete Upper Receiver: Manufacturer: Fostech Condition: New Features of Fostech... more

Guntec USA AR .308 AIR-LOK Series Complete Furniture Set W/Matching Upper Receiver Bronze AIRLOK-SET-UPPER-308-BRZ

Guntec USA AR .308 AIR-LOK Series Complete Furniture Set W/Matching Upper Receiver Bronze AIRLOK-SET-UPPER-308-BRZ. The goal is to distribute excellent quality at an economical value. Specifications for Guntec USA AR .308 AIR-LOK Series Complete... 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 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

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black. 56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero Precision... more

Ghost Firearms Elite Complete Upper Receiver 7.62x39 16 inch Carbine Length 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver 7.62x39 16 inch Carbine Length 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Free Float Hand Guard A2. 62 Upper Receiver delivers complete AR comfort and compatibility. These AR15 Upper Receivers by Ghost... more

Ghost Firearms Elite Complete Upper Receiver 7.62x39 16 inch Carbine Length 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Free Float Hand Guard A2

Ghost Firearms Elite Complete Upper Receiver 7.62x39 16 inch Carbine Length 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Free Float Hand Guard A2. 62 Upper Receiver delivers complete AR comfort and compatibility. These AR15 Upper Receivers by Ghost... more

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 Anodized Black APAR640231Q38

Aero Precision Complete Upper Receiver M4E1 14.7in 5.56 Mid Pencil Barrel EQ-12 HG Gen 2 Anodized Black APAR640231Q38. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and visual appeal and a new... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black. These AR15 Upper Receivers from the innovators at Aero Precision feature a 5.56 barrel that is chambered for... 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

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length R-One M-LOK Handguard FDE APAR712712M4

Aero Precision M4E1-T Complete Upper Receiver .300 AAC Blackout 10in Pistol Length R-One M-LOK Handguard FDE APAR712712M4. 300 AAC Blackout Complete Upper Receiver was made to be the best item for anyone trying to find a high quality choice.. Developed... 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

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

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 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

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 M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M27

Aero Precision M5E1 Complete Upper Reciever .308 20in Rifle Barrel 1-10 Twist 5/8x24 Thread Free-Float Handguard Cerakote FDE APAR308556M27. 308 Barrel Complete Upper Receiver. While there's several options to choose from all of these AR15 Upper... 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

POF USA Minuteman Upper Receiver Assembly .350 Legend 34 in Length 10.5 in Barrel Mid Length Lo Pro DI Renegade Three-Prong Flash Hider Tungsten 1978

POF USA Minuteman Upper Receiver Assembly .350 Legend 34 in Length 10.5 in Barrel Mid Length Lo Pro DI Renegade Three-Prong Flash Hider Tungsten 1978. 5" Barrel Lo Pro DI Gas Block 14.5" Rail: In testing the .350 Legend delivers 50percent more energy... more

POF USA Revolution DI Upper Receiver Assembly 6mm Creedmoor 34 in Length 22 in Barrel Rifle Length 9 Position Dictator Adjustable M-Lok MRR 3-Port

POF USA Revolution DI Upper Receiver Assembly 6mm Creedmoor 34 in Length 22 in Barrel Rifle Length 9 Position Dictator Adjustable M-Lok MRR 3-Port. These .308 Uppers comes with our M-LOK compatible Renegade rail covering the nitride heat treated... 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 Revolution DI Upper Receiver Assembly 6mm Creedmoor 34 in Length 22 in Barrel Rifle Length 9 Position Dictator Adjustable M-Lok MRR 3-Port

POF USA Revolution DI Upper Receiver Assembly 6mm Creedmoor 34 in Length 22 in Barrel Rifle Length 9 Position Dictator Adjustable M-Lok MRR 3-Port. These .308 Uppers comes with our M-LOK compatible Renegade rail covering the nitride heat treated... 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 Revolution DI Upper Receiver 308 WIN 18.5in Barrel Rifle Length 1-10 Twist 5/8x24 14.5in M-Lok Rail Triple Port Muzzle Break Black 1820

POF USA Revolution DI Upper Receiver 308 WIN 18.5in Barrel Rifle Length 1-10 Twist 5/8x24 14.5in M-Lok Rail Triple Port Muzzle Break Black 1820. By popular demand you get the same technology same durability same features and same AR-15 size but in a... more