Hunting & Archery Equipment › Aluminum › brownells ar 15 m16 receiver

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine 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 Carbine 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... 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 FDE Cerakote

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

Aero Precision M4E1 Threaded Assembled Upper Receiver M16/AR-15 Anodized Black APAR700201AC

Aero Precision M4E1 Threaded Assembled Upper Receiver M16/AR-15 Anodized Black APAR700201AC. Aero Precision machined these AR15 Upper Receivers from rugged and lightweight 7075-T6 forged aluminum complete with your choice of finish that enhances... more

Aero Precision M4E1 Threaded Assembled Upper Receiver M16/AR-15 Magpul Cerakote OD Green APAR700417AC

Aero Precision M4E1 Threaded Assembled Upper Receiver M16/AR-15 Magpul Cerakote OD Green APAR700417AC. Aero Precision machined these AR15 Upper Receivers from rugged and lightweight 7075-T6 forged aluminum complete with your choice of finish that... more

Aero Precision M4E1 Threaded Assembled Upper Receiver M16/AR-15 Magpul Cerakote Flat Dark Earth APAR700202AC

Aero Precision M4E1 Threaded Assembled Upper Receiver M16/AR-15 Magpul Cerakote Flat Dark Earth APAR700202AC. Aero Precision machined these AR15 Upper Receivers from rugged and lightweight 7075-T6 forged aluminum complete with your choice of finish... more

Aero Precision M4E1 Threaded Assembled Upper Receiver M16/AR-15 Magpul Cerakote Sniper Grey APAR700272AC

Aero Precision M4E1 Threaded Assembled Upper Receiver M16/AR-15 Magpul Cerakote Sniper Grey APAR700272AC. Aero Precision machined these AR15 Upper Receivers from rugged and lightweight 7075-T6 forged aluminum complete with your choice of finish that... more

Aagil Arms Ted Nugent's Signature Series .223 Wylde AR-15 Complete Upper Receiver Assembly w/ 15in Zebra Strip Cerakote AA-CURK16223C15TNAF

Aagil Arms Ted Nugent's Signature Series .223 Wylde AR-15 Complete Upper Receiver Assembly w/ 15in Zebra Strip Cerakote AA-CURK16223C15TNAF. Ted Nugent. This is only one model out of 3 in Ted Nugent's Signature Series. This upper assembly is Cerakoted... more

Black Rain Ordnance Milled Upper Receiver AR-15 5.56x45mm NATO Left Hand Black BRO-MURC-LH-BLK

Black Rain Ordnance Milled Upper Receiver AR-15 5.56x45mm NATO Left Hand Black BRO-MURC-LH-BLK. These AR15 Upper Receivers from Black Rain Ordnance are milled from high quality 7075 T6 billet aluminum. Black anodized finishing adds corrosion resistance... more

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

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

Aero Precision Ar-15/M16 Assembled Upper Receiver - 5.56x45 Nato Assembled Upper Receiver For Ar-15

The AR-15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Black model... more

Wilson Combat AR-15 Billet Stripped Upper Receiver 5.56x45mm NATO Black TR-UPPER-BIL

Wilson Combat AR-15 Billet Stripped Upper Receiver 5.56x45mm NATO Black TR-UPPER-BIL. Machined from 7075-T6 aircraft-grade billet aluminum allows them to both address structural design weaknesses in standard rifles and provide some of the highest... more

JL Billet Lightweight Billet Upper Receiver AR 15 Black JLB-SKLTR-UPR-A

JL Billet Lightweight Billet Upper Receiver AR 15 Black JLB-SKLTR-UPR-A. This upper has weight reduction cuts that give it a look that stands out among the rest and are designed to match our billet lowers to ensure a superior matched set for your next... more

Yankee Hill Machine Yhm A3 Upper Receiver Assembly For Ar-15

Yankee Hill Machine Yhm A3 Upper Receiver Assembly For Ar-15. . Developed by using some of the most robust and long lasting substances in existence these AR15 Upper Receivers by Yankee Hill Machine provides you with an item which will give you years of... more

Wilson Combat AR-15 Billet Stripped Upper Receiver .458 SOCOM Black TR-458UPPER-BIL

Wilson Combat AR-15 Billet Stripped Upper Receiver .458 SOCOM Black TR-458UPPER-BIL. Machined from 7075-T6 aircraft-grade billet aluminum allows them to both address structural design weaknesses in standard rifles and provide some of the highest... more

Guntec USA AR-15 Stripped Billet Upper Receiver .223 Remington / 5.56mm Matte Rainbow Pvd Coated GT-UPPER-RPVD

Guntec USA AR-15 Stripped Billet Upper Receiver .223 Remington / 5.56mm Matte Rainbow Pvd Coated GT-UPPER-RPVD. Manufactured from solid 6061 billet aluminum the receiver is designed to be a standalone upper half - with the ability to be mounted to any... more

Wilson Combat Upper Receiver 5.56x45mm NATO AR-15 Billet Anodized Black TR-UPPER-BIL-A

Wilson Combat Upper Receiver 5.56x45mm NATO AR-15 Billet Anodized Black TR-UPPER-BIL-A. These AR15 Upper Receivers have been machined for maximum durability and given a hard coat anodized in rugged black. The Wilson Combat Upper Receiver is a must have... more

HIPP Customs AR-15 Stripped Upper Receiver Cerakote Black HC15UPRBLK

HIPP Customs AR-15 Stripped Upper Receiver Cerakote Black HC15UPRBLK. . Formulated using several of the most extremely heavy duty and dependable materials available these AR15 Upper Receivers through HIPP Customs will provide you with something that... more

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in Quad Rail Handguard No BCH/CH Magpul Cerakote Flat Dark Earth

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in Quad Rail Handguard No BCH/CH Magpul Cerakote Flat Dark Earth. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal.... more

Arms Republic Stripped Billet Upper Receiver AR-15 Black BILLET-UR-AR-15

Arms Republic Stripped Billet Upper Receiver AR-15 Black BILLET-UR-AR-15. Amazing machining processes produces ultra smooth lines and our thorough internal QC process ensures consistent & perfect fit. The anodizing is dark rich black and matches... more

Tiger Rock AR-15 Rifle Build Kit BCG LPK and Stock Kit 5.56mm 17in 16in Barrel M4 A2/Gov Carbine 1x8 1/2x28 10in Quad Rail Handguard Brake Nitride

Tiger Rock AR-15 Rifle Build Kit BCG LPK and Stock Kit 5.56mm 17in 16in Barrel M4 A2/Gov Carbine 1x8 1/2x28 10in Quad Rail Handguard Brake Nitride. Lower receiver is not included. Specifications for Tiger Rock 5.56mm AR-15 Rifle Build Kit:... more

Angstadt Arms AR-9 Upper Receiver Assembly Kits 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x36 Chromoly Black AAUDP09X0R

Angstadt Arms AR-9 Upper Receiver Assembly Kits 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x36 Chromoly Black AAUDP09X0R. Kit includes 16 inch 9mm barrel 15 inch handguard and B5 Bravo Stock. Ready to install on any mil-spec upper receiver.... more

Angstadt Arms Complete Upper Assembly AR-15 5.5 in Handguard 6 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x28 Black AAUDP0906U

Angstadt Arms Complete Upper Assembly AR-15 5.5 in Handguard 6 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x28 Black AAUDP0906U. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... more

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel GOV Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel GOV Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic... more

Sharps Bros. AR-15 Billet Stripped Upper Receiver w/Forward Assist 7075-T6 Aluminum Black Anodized SBUR04

Sharps Bros. AR-15 Billet Stripped Upper Receiver w/Forward Assist 7075-T6 Aluminum Black Anodized SBUR04. lower receivers perfectly and has a mil-spec front end that is compatible with any AR15 barrel nut and any AR15 handguard out there including... more

Wilson Combat Small Parts Lower Receiver Kit AR-15 Billet TR-LOWERK-B15

Wilson Combat Small Parts Lower Receiver Kit AR-15 Billet TR-LOWERK-B15. These quality parts are built by Wilson Combat's machine shop or USGI contractors to meet or exceed Military Specifications. This kit includes a right hand safety selector.... more

LaRue Tactical Upper Reciever Complete AR-15 Keymod Upper 16 in Barrel Urban Dark Earth Medium LT-KU-556-16-UDE-130

LaRue Tactical Upper Reciever Complete AR-15 Keymod Upper 16 in Barrel Urban Dark Earth Medium LT-KU-556-16-UDE-130. The upper is complete with BCG and includes a 12 barrel with an A2-style flash hider. It is ready to be installed on your next 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

Stern Defense AR-15 Upper Receiver 9mm 16.1in Barrel 15in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SCB 9 Comp Break Black 015-SD15INCHMOD4-KK

Stern Defense AR-15 Upper Receiver 9mm 16.1in Barrel 15in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SCB 9 Comp Break Black 015-SD15INCHMOD4-KK. ) Stern Defense 16.1 inch 9mm barrel. SD CB9 COMPENSATOR BREAK Stern Defense assembled upper receiver... more

Bravo Company AR-15/M4 Complete Upper Receiver Assembly Flattop Aluminum Black BCM4-UR-M4

Bravo Company AR-15/M4 Complete Upper Receiver Assembly Flattop Aluminum Black BCM4-UR-M4. All AR15 Upper Receivers from Bravo Company are manufactured to correct Mil-Spec standards so you can count on this to fit a wide variety of lower receivers and... more

Guntec USA AR-15 Stripped Billet Upper Receiver Flat Dark Earth GT-UPPER-FDE

Guntec USA AR-15 Stripped Billet Upper Receiver Flat Dark Earth GT-UPPER-FDE. Manufactured from solid 6061 billet aluminum the receiver is designed to be a standalone upper half - with the ability to be mounted to any AR-15 compatible lower half. The... more

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101113

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101113. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... more

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in Quad Rail Handguard No BCH/CH Magpul Cerakote Flat Dark Earth

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in Quad Rail Handguard No BCH/CH Magpul Cerakote Flat Dark Earth. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... more

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth

Aero Precision M4E1 Complete Upper Receiver AR-15 10.5 in Rifle Length Barrel 9 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth. Key features include the addition of quick disconnect sling sockets enhanced milling design for grip and... more

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Anodized Black APAR640251M8

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Anodized Black APAR640251M8. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal. In... more

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Magpul Cerakote Flat Dark Earth. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal. In... more

DEMO Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Anodized Black APAR640251M8

DEMO Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in M-LOK Handguard No BCH/CH Anodized Black APAR640251M8. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal. In... more

Troy AR-15 A3 Upper Receiver Assembly 223 Wylde 16in Barrel w/ 15.125in SOCC-Series Handguard Black Mid-Length SUPG-A3S-16BT-00

Troy AR-15 A3 Upper Receiver Assembly 223 Wylde 16in Barrel w/ 15.125in SOCC-Series Handguard Black Mid-Length SUPG-A3S-16BT-00. Developed specifically for todays First Responders Law Enforcement and Shooting Enthusiasts. The SOCC M-Lok Battlerail... more

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in Quad Rail Handguard No BCH/CH Anodized Black APAR640251Q8

Aero Precision M4E1 Complete Upper Receiver AR-15 18 in Rifle Length Barrel 15 in Quad Rail Handguard No BCH/CH Anodized Black APAR640251Q8. These AR15 Upper Receivers from Aero Precision have an enhanced milling design for grip and visual appeal. In... more