FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 16 inch Barrel Front Charge Black MIKE45U-F1615-4-MMKIT

Foxtrot Mike Products Ar-15 Mike-45 Complete Upper Receivers - Mike-45 16 Complete Upper Receiver

The Foxtrot Mike Products .45 ACP Upper Receiver comes fully assembled and ready to drop on any pistol caliber lower receiver that uses Glock magazines. With its full-length Picatinny top rail and M-LOK compatible handguard, the Foxtrot Mike .45 ACP... ... more

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 10 inch Barrel Front Charge Black MIKE45U-F109-B-MMKIT

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 10 inch Barrel Front Charge Black MIKE45U-F109-B-MMKIT. 45 ACP Complete Upper Receiver Kit was made to be the ideal item for any person looking for an outstanding choice.. Established using some... ... more

Quarter Circle 10 Side Charging Complete 45 ACP Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-45-16

Quarter Circle 10 Side Charging Complete 45 ACP Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-45-16. The patent-pending left side charging handle will allow you to charge your .45ACP cartridges out of the side of your receiver without fear of... ... more

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-9-16 Inch

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-9-16 Inch. 355 Caliber Features of Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly: QC10 Side Charging Upper Receiver Compatible... ... more

Quarter Circle 10 Side Charging Complete 45 ACP Upper Receiver Assembly 10.5in Barrel Black QC-CU-PSCU-G-45-10.5

Quarter Circle 10 Side Charging Complete 45 ACP Upper Receiver Assembly 10.5in Barrel Black QC-CU-PSCU-G-45-10.5. The patent-pending left side charging handle will allow you to charge your .45ACP cartridges out of the side of your receiver without fear... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 24.75 inch 16 inch Barrel Intermediate 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 24.75 inch 16 inch Barrel Intermediate 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

FM Products MIKE-9 9mm Complete Upper Receiver 23.75 inch 16 inch Barrel MIL-SPEC Rear Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black

FM Products MIKE-9 9mm Complete Upper Receiver 23.75 inch 16 inch Barrel MIL-SPEC Rear Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black. . These AR15 Upper Receivers through the professional product experts at FM Products are designed by using... ... more

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 5.5in Barrel .578-28 5.5in HG FH Black QC-CU-G45-5.5

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 5.5in Barrel .578-28 5.5in HG FH Black QC-CU-G45-5.5. Leader in top of the line dedicated AR15 Pistol Caliber parts. This product is not compatible with DI gas systems or rifle-caliber bolts.... ... more

FM Products MIKE-9 9mm Complete Upper Receiver 12.75 inch 5 inch Barrel MIL-SPEC Rear Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black

FM Products MIKE-9 9mm Complete Upper Receiver 12.75 inch 5 inch Barrel MIL-SPEC Rear Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black. . These AR15 Upper Receivers through the professional product experts at FM Products are designed by using... ... more

FM Products MIKE-9 9mm Complete Upper Receiver 23.75 inch 16 inch Barrel Front Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black MIKE9U-F1615-4

FM Products MIKE-9 9mm Complete Upper Receiver 23.75 inch 16 inch Barrel Front Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black MIKE9U-F1615-4. . These AR15 Upper Receivers through the professional product experts at FM Products are designed by... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... 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

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

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 16 inch Barrel Black Mini Can 15 inch Rail No Charging Handle NO BCG U091161V

Brigade Manufacturing AR Complete Upper Receiver Forged 9mm 16 inch Barrel Black Mini Can 15 inch Rail No Charging Handle NO BCG U091161V. . These AR15 Upper Receivers through the expert product experts at Brigade Manufacturing are fashioned working... ... more

Wilson Combat Complete Upper Receiver Protector 300 HAM'R 16 inch Barrel Mid Length 1-15 Twist 5/8x24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black

Wilson Combat Complete Upper Receiver Protector 300 HAM'R 16 inch Barrel Mid Length 1-15 Twist 5/8x24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black. The Wilson Combat machined hand polished match grade stainless barrel is the core of these accurate... ... 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 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

Wilson Combat Complete Upper Receiver Ranger 300 HAM'R 16 inch Barrel Mid Length 1-15 Twist 5/8 24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black

Wilson Combat Complete Upper Receiver Ranger 300 HAM'R 16 inch Barrel Mid Length 1-15 Twist 5/8 24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black. The Wilson Combat machined hand polished match grade stainless barrel is the core of these accurate and... ... more

Wilson Combat Complete Upper Receiver Recon 6.5mm Grendel 16 inch Barrel Mid Length 1-8 Twist 5/8x24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black

Wilson Combat Complete Upper Receiver Recon 6.5mm Grendel 16 inch Barrel Mid Length 1-8 Twist 5/8x24 Thread M-LOK Handguard Q-COMP Armor-Tuff Black. The Wilson Combat machined hand polished match grade stainless barrel is the core of these accurate and... ... more

Grid Defense 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 Flash

Grid Defense 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 Flash. 62x39mm upper receivers and build kits. We look forward to providing the tactical industry with top AR... ... more

Grid Defense 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 Flash

Grid Defense 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 Flash. 62x39mm upper receivers and build kits. We look forward to providing the tactical industry with top AR... ... more

Grid Defense 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 Flash

Grid Defense 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 Flash. 62x39mm upper receivers and build kits. We look forward to providing the tactical industry with top AR... ... more

Grid Defense 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 Flash

Grid Defense 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 Flash. 62x39mm upper receivers and build kits. We look forward to providing the tactical industry with top AR... ... more

FM Products MIKE-9 9mm Complete Upper Receiver 17.75 inch 10 inch Barrel Front Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black MIKE9U-F109-B

FM Products MIKE-9 9mm Complete Upper Receiver 17.75 inch 10 inch Barrel Front Charge 1-10 Twist 1/2x36 Thread Free-Float Nitride Black MIKE9U-F109-B. . These AR15 Upper Receivers through the professional product experts at FM Products are designed by... ... 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

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

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel Black Charging Handle 15 inch Rail A2 Flash Hider U5611610

Brigade Manufacturing AR Complete Upper Receiver Forged 5.56 16 inch Barrel Black Charging Handle 15 inch Rail A2 Flash Hider U5611610. 56 BCG provides the end user with a mil-spec bore and grooved free float profile barrel. Combined with a U-shaped... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 17.75 inch 9 inch Barrel Pistol Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 17.75 inch 9 inch Barrel Pistol Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

TacFire Complete Upper Assembly .45 ACP 16in Type III Hard Anodized Black Large BU-45ACP-16

TacFire Complete Upper Assembly .45 ACP 16in Type III Hard Anodized Black Large BU-45ACP-16. 45 ACP Complete Upper Assembly. Formulated by using several of the most extremely sturdy and dependable resources around these AR15 Upper Receivers from... ... more

Moriarti Complete Upper Receiver AR-9 9mm 4.5 inch Barrel Straight Profile 1-10 Twist 1/2X36 Thread M-LOK Handguard Multiport Anodized Black Black

Moriarti Complete Upper Receiver AR-9 9mm 4.5 inch Barrel Straight Profile 1-10 Twist 1/2X36 Thread M-LOK Handguard Multiport Anodized Black Black. 5 Diamond Cut 4 M-Lok Upper Assembly with a multiport feature including an AR-15 Milspec Charging Handle... ... more

Stern Defense AR-15 Upper Receiver .45 ACP 16.1in Barrel 15in MLOK Rail SD BU45 Bolt SD CH1 Charging Handle SD CB45 Comp Break Black

Stern Defense AR-15 Upper Receiver .45 ACP 16.1in Barrel 15in MLOK Rail SD BU45 Bolt SD CH1 Charging Handle SD CB45 Comp Break Black. WHILE OUR 45 BOLT WILL ACCOMMODATE A JP SILENT CAPTURE SPRING. WE DO NOT RECOMMEND IT AS 45ACP CAN DAMAGE THE JP... ... more

FM Products Ultra Light Barrel .45 9.5 inch 1-16 Twist 5/8-24 Thread 41V50 Steel Black FM-BRL-4510

FM Products Ultra Light Barrel .45 9.5 inch 1-16 Twist 5/8-24 Thread 41V50 Steel Black FM-BRL-4510. FM-45 45 Cal Barrels are built to work with all Colt and Glock style 45 Cal uppers and come with integrated feed ramps to keep your pistol-caliber AR... ... more

Moriarti Complete Upper Receiver AR-15 .300 AAC Blackout 16 inch Barrel Medium Profile Pistol Length 1x7 Twist 5/8X24 Thread M-LOK Handguard Triport

Moriarti Complete Upper Receiver AR-15 .300 AAC Blackout 16 inch Barrel Medium Profile Pistol Length 1x7 Twist 5/8X24 Thread M-LOK Handguard Triport. No other modifications to your AR-15 is required. Uses standard AR-15 BCG. All you need is 300 BLK... ... more

FM Products MIKE-15 .223 Wylde Gen 2 Build Kit 16in Intermediate 4-Position Front Charge 15.5in M-LOK Handguard A2 Flash Hider Black

FM Products MIKE-15 .223 Wylde Gen 2 Build Kit 16in Intermediate 4-Position Front Charge 15.5in M-LOK Handguard A2 Flash Hider Black. 223 Wylde Gen 2 Build Kit from FM Products is exactly what you need to complete your AR15 build These AR15 Upper... ... more

CMMG MkG Resolute Upper Receiver Group .45 ACP 16.1in Armor Black 45B85B3-AB

CMMG MkG Resolute Upper Receiver Group .45 ACP 16.1in Armor Black 45B85B3-AB. 45 ACP has been the pistol caliber of choice for many shooters. For anyone looking to complete the ultimate pistol caliber carbine the RESOLUTE Upper Group chambered in .45... ... more

FM Products MIKE-15 .223 Wylde Gen 2 Build Kit 12.5inch Mid Length 4-Position Front Charge 11.75in M-LOK Handguard A2 Flash Hider Black

FM Products MIKE-15 .223 Wylde Gen 2 Build Kit 12.5inch Mid Length 4-Position Front Charge 11.75in M-LOK Handguard A2 Flash Hider Black. 223 Wylde Gen 2 Build Kit from FM Products is exactly what you need to complete your AR15 build These AR15 Upper... ... more

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 16in Barrel .578-28 15in HG FH Black QC-CU-G45-16

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 16in Barrel .578-28 15in HG FH Black QC-CU-G45-16. Leader in top of the line dedicated AR15 Pistol Caliber parts. This product is not compatible with DI gas systems or rifle-caliber bolts.... ... more

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black AAUT056016

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black AAUT056016. 56/.233 upper receiver assembly with 16 inch barrel and 15 inch hand guard. Ready to run with any AR-15... ... more