The Orcus M-VI is one of the finest AR uppers available anywhere! We build this 223 Wylde upper with PF Criterion Made Black Nitride barrel, Mil-spec upper receiver with M4 Feedramps with 13 inch Troy Alpha Rail Free Float Handguard or 13 inch Troy Alpha with front Sight Handguard. Barrel is 1-8 twist. We check head-space and test fire after Final assembly.  Our customers are reporting that upper assemblies using these barrels are consistently shooting under 3/4 moa! DOES include PF bolt and PF Phalanx carrier and BCM charging handle of your choice. 

Barrel Twist: 1-8 for 55-77 grain Bullets. Can fire 5.56 or 223 ammo.

Forged, 7075, T6 aluminum, upper receiver, with a 5" long flattop rail, accepts Picatinny-style rings and your tactical accessories. Finished with mil-spec, hard-coat, black anodizing for protection from scratches, mars, and abrasion. Includes case deflector, port cover, and forward assist.

• Precision Firearms M4 Forged Flattop Upper
• Precision Firearms Criterion Made 1-8 Twist Midlength Gas Black Nitrided barrel, Govt Profile
• Precision Firearms Phalanx Bolt and Carrier Group
• BCM Mod 3, 4, or 5 Charging Handle
• Precision Firearms NOX Flash Hider - Kills most of the Flash! Black Nitrided
• Troy Alpha Rail Free-float Hand Guard 13 Inch with M4 Style Spring Deploy Sight or 13 inch Troy Alpha with no sight
• Steel Gas Block
• Stainless Steel Gas Tube

Weight with carrier - 4lbs 6oz.

Limited Lifetime Warranty

Feel free to ask all the question you have. We take the time to answer them all!