FM Products FM-45 AR Upper Receiver w/ Micro Brake .45 Caliber 10 inch 8.5in Barrel Ultralight ProfileFlash Supressor Black FM45-FS-109

FM Products FM-45 AR .45 Rear Charging Upper Reciever 5 inch w/ Blast Diffuser Black FM45-RS-54

FM Products FM-45 AR .45 Rear Charging Upper Reciever 5 inch w/ Blast Diffuser Black FM45-RS-54. The monolithic style has been achieved with a proprietary interlock between the upper and handguard. The slim-line handguard is M-LOK compatible for your... ... more

FM Products MIKE-45 .45 ACP Build Kit 10 inch Front Charge 4-Port Micro Brake Black MIKE45K-F109-BT-MMKIT

FM Products MIKE-45 .45 ACP Build Kit 10 inch Front Charge 4-Port Micro Brake Black MIKE45K-F109-BT-MMKIT. 45 ACP Build Kit. These AR15 Upper Receivers through the expert product experts at FM Products are fashioned by using heavy duty and reliable... ... more

DEMO FM Products FM-9 AR 9mm Forward Charging Upper Receiver w/ Micro Brake 9x19mm Parabellum 10 inch 8.5in Barrel Blast Diffuser Black FM9-FS-109

DEMO FM Products FM-9 AR 9mm Forward Charging Upper Receiver w/ Micro Brake 9x19mm Parabellum 10 inch 8.5in Barrel Blast Diffuser Black FM9-FS-109. Built with a host of top tier features these AR15 Upper Receivers created by the experts at Foxtrot Mike... ... more

FM Products FM-45 AR Forward Charging Upper Receiver w/ Micro Brake .45 Caliber Ultralight Profile Black FM45-FS-1615

FM Products FM-45 AR Forward Charging Upper Receiver w/ Micro Brake .45 Caliber Ultralight Profile Black FM45-FS-1615. The traditional M4 charging handle has been replaced with an ambidextrous non reciprocating forward charging handle. The monolithic... ... 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

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 10.5in Barrel .578-28 10.5in HG FH Black QC-CU-G45-10.5

Quarter Circle 10 45 ACP Complete Upper Receiver w/ PMUR 10.5in Barrel .578-28 10.5in HG FH Black QC-CU-G45-10.5. 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

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 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 10.5 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black. 5" 5.56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black. 5" 5.56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 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 10.5 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider FDE Cerakote. 5" 5.56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero... ... more

FM Products MIKE-45 .45 ACP Build Kit 16 inch Front Charge 4-Port Micro Brake Black MIKE45K-F1615-4T-MMKIT

FM Products MIKE-45 .45 ACP Build Kit 16 inch Front Charge 4-Port Micro Brake Black MIKE45K-F1615-4T-MMKIT. 45 ACP Build Kit. These AR15 Upper Receivers through the expert product experts at FM Products are fashioned by using heavy duty and reliable... ... 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-45 .45 ACP Build Kit 16 inch Mil-Spec Rear Charge 4-Port Micro Brake Black MIKE45K-R1615-4T-MMKIT

FM Products MIKE-45 .45 ACP Build Kit 16 inch Mil-Spec Rear Charge 4-Port Micro Brake Black MIKE45K-R1615-4T-MMKIT. 45 ACP Build Kit. These AR15 Upper Receivers through the expert product experts at FM Products are fashioned by using heavy duty and... ... 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-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

FM Products Ultra Light Barrel 9mm 5 inch 1-10 Twist 1/2-36 Thread 41V50 Steel Black FM-BRL-95

FM Products Ultra Light Barrel 9mm 5 inch 1-10 Twist 1/2-36 Thread 41V50 Steel Black FM-BRL-95. FM-9 9mm Barrels are built to work with all Colt and Glock style 9mm uppers and come with integrated feed ramps to keep your pistol-caliber AR chambering... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine Length 10.5 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider FDE Cerakote. 5" 5.56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero... ... 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

FM Products MIKE-9 9mm Build Kit 10 inch Front Charge 4-Port Micro Brake Black MIKE9K-F109-BT-BUFFERKIT

FM Products MIKE-9 9mm Build Kit 10 inch Front Charge 4-Port Micro Brake Black MIKE9K-F109-BT-BUFFERKIT. . These AR15 Upper Receivers from the professional product specialists at FM Products are fashioned using long lasting and efficient resources to... ... more