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| Best Seller  | Guntec USA Ultra Lightweight Thin M-Lok Free Floating Handguard w/Monolithic Top Rail 4in Black GT-4MLK. Incredibly lightweight with a monolithic top rail and an M-Lok system the proprietary barrel nut allows for a tight fit up against the receiver.... ... more | FREE shipping go to store |
 | 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 | FREE shipping go to store |
| Best Seller  | Stern Defense Ar-15 Sd Mod 4 9mm Upper Receiver M-Lok Complete - Sd Mod 4 9mm Upper Receiver 16.1in $55 off $500+. Use code SEPT55The Stern Defense SD Mod 4 9mm Upper Receiver is a complete, ready to go, upper receiver solution for those looking to spend less time building and more time shooting. The 16.1 inch, 1-10 twist, Melonited barrel, is free float in a 12in M-LOK... ... more
Stern Defense Ar-15 Sd Mod 4 9mm Upper Receiver M-Lok Complete - Sd Mod 4 9mm Upper Receiver 16.1in The Stern Defense SD Mod 4 9mm Upper Receiver is a complete, ready to go, upper receiver solution for those looking to spend less time building and more time shooting. The 16.1 inch, 1-10 twist, Melonited barrel, is free float in a 12in M-LOK... | go to store |
 | Stern Defense Ar-15 Sd Mod 5 9mm Upper Receivers M-Lok Complete - Sd Mod 5 9mm Upper Receiver 6in M- $20 off $200+. Use code SEPT20The Stern Defense SD Mod 5 9mm Upper Receivers are unique with handguards that extend beyond the end of the barrels. The 8.5" barreled upper has a 10" M-LOK free float handguard, and the 6" barreled upper has an 8" M-LOK free float handguard. To... ... more
Stern Defense Ar-15 Sd Mod 5 9mm Upper Receivers M-Lok Complete - Sd Mod 5 9mm Upper Receiver 6in M- The Stern Defense SD Mod 5 9mm Upper Receivers are unique with handguards that extend beyond the end of the barrels. The 8.5" barreled upper has a 10" M-LOK free float handguard, and the 6" barreled upper has an 8" M-LOK free float handguard. To... | go to store |
 | Stern Defense Ar-15 Sd Mod 5 9mm Upper Receivers M-Lok Complete - Sd Mod 5 9mm Upper Receiver 8.5in $20 off $200+. Use code SEPT20The Stern Defense SD Mod 5 9mm Upper Receivers are unique with handguards that extend beyond the end of the barrels. The 8.5" barreled upper has a 10" M-LOK free float handguard, and the 6" barreled upper has an 8" M-LOK free float handguard. To... ... more
Stern Defense Ar-15 Sd Mod 5 9mm Upper Receivers M-Lok Complete - Sd Mod 5 9mm Upper Receiver 8.5in The Stern Defense SD Mod 5 9mm Upper Receivers are unique with handguards that extend beyond the end of the barrels. The 8.5" barreled upper has a 10" M-LOK free float handguard, and the 6" barreled upper has an 8" M-LOK free float handguard. To... | go to store |
 | Daniel Defense DDM4 300 S URG 300 AAC Blackout 1/8 S2W LPG DDM4 Rail 9.0 DDFS Complete Upper Receiver w/ Flash Hider Black 10.3in 23-088-19020-047. 3-inch barrel with a Strength-to-Weight profile. Daniel Defense produces these AR15 Upper Receivers... ... more | FREE shipping go to store |
 | American Defense Manufacturing 5.56 12.5 Inch Barrel M-Lok Rail Upper Reciever Black 12.5 in UICCUBLK12M2MLOK. 56 12.5 Inch Barrel M-Lok Rail Upper Reciever: Manufacturer: American Defense Manufacturing Cartridge: 5.56x45mm NATO Barrel Length: 12.5... ... more | FREE shipping go to store |
 | American Defense Manufacturing 5.56 14.5 Inch Barrel M-Lok Rail Upper Reciever Black 14.5 in UICCUBLK14M2MLOK. 56 14.5 Inch Barrel M-Lok Rail Upper Reciever. Built with a Criterion 14.5-inch barrel these AR15 Upper Receivers by American Defense... ... more | FREE shipping go to store |
 | Radical Firearms Complete Upper Assembly AR-15 .300 Blackout 10.5in Barrel 10in HG M-LOK RPR 5/8x24 A2 FH Black CFU10.5-300HBAR-10RPR. 5in HBAR profile 300BLK is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the... ... more | FREE shipping go to store |
 | Aero Precision Complete Upper Receiver M4E1-T .223 16in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M50. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your... ... more | FREE shipping go to store |
 | Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Carbine Length Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M32. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to... ... more | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M5. 5in 5.56 Mid-Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider. Aero Precision designed these... ... more | FREE shipping go to store |
 | Stern Defense SD BU45 Bolt Carrier AR-15 Glock-Pattern Upper Receiver .45 ACP Black 004-SD BU45-D1-M Stern Defense SD BU45 Bolt Carrier AR-15 Glock-Pattern Upper Receiver .45 ACP Black 004-SD BU45-D1-M. 45ACP UPPERS MUST HAVE AN ENLARGED EJECTION PORT. WHILE OUR 45 BOLT WILL ACCOMMODATE A JP SILENT CAPTURE SPRING. WE DO NOT RECOMMEND IT AS 45ACP... ... more | FREE shipping go to store |
 | 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 | FREE shipping go to store |
 | Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M42. The S-ONE line of handguards are designed with size and weight in mind providing the perfect addition to your... ... more | FREE shipping go to store |
 | Aero Precision Complete Upper Receiver M4E1-T .300 16in Blackout Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M14. 300 Blackout w/ ATLAS S-ONE Handguard Complete Upper Receiver. Aero Precision built these AR15 Upper Receivers... ... more | FREE shipping go to store |
 | Aero Precision Complete Upper Receiver M4E1-T .223 18in Wylde Fluted Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M51. 223 Wylde fluted barrel complete with an ATLAS handguard The upper receiver is enhanced with new enhanced... ... more | FREE shipping go to store |
 | Stern Defense AR-15 10in Upper Receiver 8.5in 9mm Barrel MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SD HBC Blast Can Black 015-SD10INCHMOD5-KK. ) Stern Defense 8.5 inch 9mm barrel. SD HBC 9MM Blast Can. Stern Defense assembled upper receiver with... ... more | FREE shipping go to store |
 | Aero Precision Complete Upper Receiver M4E1-T 20in 5.56 Rifle Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M48. Aero Precision built these AR Handguards & Barrels with their ATLAS S-ONE Handguard and 20in 5.56 Rifle length... ... more | FREE shipping go to store |
 | Stern Defense AR-15 Upper Receiver 9mm 6in Barrel 8in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SD HBC Blast Can Black 015-SD8INCHMOD5-KK. If you're starting a build shopping for AR15 Upper Receivers is one of the first steps. To make it easier... ... more | FREE shipping go to store |
 | DoubleStar Complete Upper Receiver .224 Valkyrie 18 inch Barrel Heavy Profile 15 inch Cloak M-LOK Handguard A2 Flash Hider Black ARBU111C. Specifications for DoubleStar .224 Valkyrie Upper w/Cloak M-LOK Handguard: Manufacturer: DoubleStar Cartridge:... ... more | FREE shipping go to store |
 | Stern Defense Ar-15 Sd Mod 4 9mm Upper Receiver 4in M-Lok Complete - Sd Mod 4 9mm Upper Receiver 4in $20 off $200+. Use code SEPT20The Stern Defense SD Mod 4 9mm Upper Receiver is a complete, ready to go, upper receiver solution for those looking to spend less time building and more time shooting. The 4 inch, 1-10 twist, Melonited barrel, is free float in a 4in M-LOK handguard... ... more
Stern Defense Ar-15 Sd Mod 4 9mm Upper Receiver 4in M-Lok Complete - Sd Mod 4 9mm Upper Receiver 4in The Stern Defense SD Mod 4 9mm Upper Receiver is a complete, ready to go, upper receiver solution for those looking to spend less time building and more time shooting. The 4 inch, 1-10 twist, Melonited barrel, is free float in a 4in M-LOK handguard... | go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Tactical Grape. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Black. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider OD Green. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Burnt Bronze. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... more | FREE shipping go to store |
 | Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit 9mm 9x19 Para 7.5in Pistol Light HBAR Barrel 1-10 Twist 7in M-LOK Freefloat Handguard Blk. These AR15 Lower Parts by Ghost Firearms contain everything you need to install the lower half onto... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Burnt Bronze. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Blue. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Blue Titanium. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 7.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail A2 Flash Hider Flat Dark Earth. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet... ... more | FREE shipping go to store |
 | Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit .300 Blackout 10.5in Pistol Light HBAR Barrel 1-8 Twist 9in M-LOK Freefloat Handguard Blk. 300 Blackout Complete Upper Receiver w/Pistol Lower Parts Kit is full of them. Ghost Firearms... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Tungsten. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Black GD16E14GFR9MMBLK. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 5.56mm 7.5 inch Pistol Length 4150 M4 Barrel 1-7 Twist 9 inch Octagon M-LOK Rail Dimpled Flash Can Black. 56 Upper Receiver. Grid Defense constructed these Mil-Spec AR15 Upper Receivers from 7075 T6 aluminum for... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Black. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 16 inch 4150 Light HBAR Barrel 1-10 Twist 14 inch M-LOK Rail A2 Flash Hider Tungsten Gray. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet durable build... ... more | FREE shipping go to store |
 | Grid Defense Complete Upper Receiver 9mm 9x19 Para 5.5 inch 4150 Light HBAR Barrel 1-10 Twist 7 inch Octagon M-LOK Rail Dimpled Flash Can Burnt Bronze. Grid Defense machined these AR15 Upper Receivers from 7075-T6 aluminum for a lightweight yet... ... more | FREE shipping go to store |
Ads related to Stern Defense SD 4in Mod4 M-Lok 4in Barrel 9mm Black Complete Upper Receiver Black SDINBRLKK
