FM Products Glock Style 9mm 5 inch AR Rear Charging Builders Kits Black FM9-5-RS-BLDR

Ballistic Advantage Ar-15 Modern Series Barrels 9mm - Ar-15 Modern Series 5.5 Barrel

This 9mm chambered 4.5 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and 1/2-28 x .400 full profile threads. Designed to work with both Colt/RR and Glock style AR builds. Compatible... ... more

Ballistic Advantage Ar-15 Modern Series Barrels 9mm - Ar-15 Modern Series 8.3 Barrel

This 9mm chambered 4.5 inch Modern Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and 1/2-28 x .400 full profile threads. Designed to work with both Colt/RR and Glock style AR builds. Compatible... ... more

FM Products Glock Style 9mm 16 inch AR Rear Charging Builders Kits Black FM9-16-RS-BLDR

FM Products Glock Style 9mm 16 inch AR Rear Charging Builders Kits Black FM9-16-RS-BLDR. FM Products has earned a solid reputation as a quality supplier of P.C.C. components and these Build Kits make assembling your own Glock fed P.C.C. Easy and fun... ... more

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

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-9 AR 9mm Rear Charging Upper Receiver 16 inch Black FM9-RS-1615

FM Products FM-9 AR 9mm Rear Charging Upper Receiver 16 inch Black FM9-RS-1615. These AR15 Upper Receivers made by FM Products are constructed from a proprietary blend of match-grade 41V50 chrome moly vanadium steel that's tough enough to last and... ... more

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 FM-9 AR 9mm Forward Charging Upper Receiver 16 inch Black FM9-FS-1615

FM Products FM-9 AR 9mm Forward Charging Upper Receiver 16 inch Black FM9-FS-1615. The traditional M4 charging handle has been replaced with an ambidextrous non reciprocating forward charging handle. The monolithic style has been achieved with a... ... more

FM Products MIKE-45 .45 ACP Build Kit 5 inch Mil-Spec Rear Charge Black MIKE45K-R54-BT-MMKIT

FM Products MIKE-45 .45 ACP Build Kit 5 inch Mil-Spec Rear Charge Black MIKE45K-R54-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 resources as a... ... more

FM Products FM-9 AR 9x19mm Parabellum Rear Charging Upper Receiver 5in Barrel 4in Handguard w/ Blast Diffuser Black FM9-RS-54

FM Products FM-9 AR 9x19mm Parabellum Rear Charging Upper Receiver 5in Barrel 4in Handguard w/ Blast Diffuser Black FM9-RS-54. The monolithic style has been achieved with a proprietary interlock between the upper and handguard. The slim-line handguard... ... more

FM Products FM-9 AR 9x19mm Parabellum Rear Charging Upper Receiver 5in Barrel 5in Handguard w/ Blast Diffuser Black FM9U-R55-B

FM Products FM-9 AR 9x19mm Parabellum Rear Charging Upper Receiver 5in Barrel 5in Handguard w/ Blast Diffuser Black FM9U-R55-B. The monolithic style has been achieved with a proprietary interlock between the upper and handguard. The slim-line handguard... ... 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 Build Kit 16 inch Mil-Spec Rear Charge 4-Port Micro Brake Black MIKE9K-R1615-4T-BUFFERKIT

FM Products MIKE-9 9mm Build Kit 16 inch Mil-Spec Rear Charge 4-Port Micro Brake Black MIKE9K-R1615-4T-BUFFERKIT. . These AR15 Upper Receivers from the professional product specialists at FM Products are fashioned using long lasting and efficient... ... more

Springfield Armory XD-M 4.5in Threaded Barrel Glock 17 9mm Luger 5.28 inch 1-10 Twist 5x28 Thread Melonite Black XDM0901TB-KIT

Springfield Armory XD-M 4.5in Threaded Barrel Glock 17 9mm Luger 5.28 inch 1-10 Twist 5x28 Thread Melonite Black XDM0901TB-KIT. Then be sure to check out these threaded barrels designed for the XD-M 4.5in. Available for 9mm 10mm and .45 ACP variants of... ... more

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 5 inch Barrel Mil-Spec Rear Charge Black MIKE45U-R54-B-MMKIT

FM Products MIKE-45 .45 ACP Complete Upper Receiver Kit 5 inch Barrel Mil-Spec Rear Charge Black MIKE45U-R54-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... ... more

FM Products MIKE-9 9mm Build Kit 10 inch Mil-Spec Rear Charge Black MIKE9K-R54-BT-BUFFERKIT

FM Products MIKE-9 9mm Build Kit 10 inch Mil-Spec Rear Charge Black MIKE9K-R54-BT-BUFFERKIT. . These AR15 Upper Receivers from the professional product specialists at FM Products are fashioned using long lasting and efficient resources to be able to... ... more

FM Products Glock Style 9mm Bolt Carrier Assembly Black FM9-BCG

FM Products Glock Style 9mm Bolt Carrier Assembly Black FM9-BCG. This Premium 9mm Bolt Carrier Assembly is compatible with all 9MM Pistol Caliber AR builds. Maintaining a harder core than standard 8620 steel this carrier is machined from hardened... ... more

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 416R-Stainless Steel Barrel FDE/Black 1 A9UFCFN1001-416RSS

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 416R-Stainless Steel Barrel FDE/Black 1 A9UFCFN1001-416RSS. 5 in Barrel Length: 16 in Barrel Profile: Pencil Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Handguard Type: Free-Float... ... more

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 4140 Nitride Coated Chrome Moly Steel Barrel FDE/Black 1 A9UFCFN1001-4140

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 4140 Nitride Coated Chrome Moly Steel Barrel FDE/Black 1 A9UFCFN1001-4140. 5 in Barrel Length: 16 in Barrel Profile: Pencil Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Handguard Type:... ... more

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 416R-Stainless Steel Barrel Anodized Black 1 A9UFCAN1001-416RSS

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 416R-Stainless Steel Barrel Anodized Black 1 A9UFCAN1001-416RSS. 5 in Barrel Length: 16 in Barrel Profile: Pencil Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Handguard Type:... ... more

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 4140 Nitride Coated Chrome Moly Steel Barrel Anodized Black 1 A9UFCAN1001-4140

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 4140 Nitride Coated Chrome Moly Steel Barrel Anodized Black 1 A9UFCAN1001-4140. 5 in Barrel Length: 16 in Barrel Profile: Pencil Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Handguard... ... 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

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

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

Advantage Arms Glock .22 Long Rifle Conversion Kit w/10-Round Magazine for Glock 19/23 Gen 5 Standard Sights Black AACG19-23G5-10RD

Advantage Arms Glock .22 Long Rifle Conversion Kit w/10-Round Magazine for Glock 19/23 Gen 5 Standard Sights Black AACG19-23G5-10RD. 22 LR conversion kit 1. ADJUSTABLE SIGHTS The front and rear sights are removable GLOCK style sights. The rear sight is... ... more

Advantage Arms Glock .22 Long Rifle Conversion Kit w/10-Round Magazine for Glock 17/22 Gen 5 Standard Sights Black AAC17-22G5-10RD

Advantage Arms Glock .22 Long Rifle Conversion Kit w/10-Round Magazine for Glock 17/22 Gen 5 Standard Sights Black AAC17-22G5-10RD. 22 LR conversion kit 1. ADJUSTABLE SIGHTS The front and rear sights are removable GLOCK style sights. The rear sight is... ... more

Springfield Armory XD-M 4.5in Threaded Barrel Glock 20 10mm Auto 5.28 inch 1-16 Twist .578 x 28 Thread Melonite Black XDM1045TB-KIT

Springfield Armory XD-M 4.5in Threaded Barrel Glock 20 10mm Auto 5.28 inch 1-16 Twist .578 x 28 Thread Melonite Black XDM1045TB-KIT. Then be sure to check out these threaded barrels designed for the XD-M 4.5in. Available for 9mm 10mm and .45 ACP... ... more