This Premium AR15/M16 Mil Spec Upper Receiver is forged from 7075-T6 aircraft aluminum, is precision machined to mil- spec M16/M4 specifications and features M4 feedramps, Steel Dust Cover Door and Forward Assist.

The Sanders Armory 20" 6MM ARC Straight Fluted 416R Stainless Steel Barrel with 1:8 Twist Rate with Rifle-Length Gas system. The Performance Series air gauge tested with for long-distance shooting with a below 1 MOA. We use M4 Barrel extensions with a manufacturer's Limited Lifetime warranty against manufacturers' defects. It uses a .750 Gas Block with a Rifle Length Gas tube.

Expect nothing less than professional grade 6MM ARC barrels from Sanders Armory.

• Sanders Armory is all about making life easy for you ... Take the frustration out of attaching your gas tube and gas block with our ALREADY Assembled Rifle Length Gas Tube and a Low Profile .750 Steel Gas Block with a Polished Phosphate finish..750” diameter barrels

The Sanders Armory Corp 6MM ARC Type II Melonite/Nitride BCG offers a 9310 Steel MPI Tested Type 2 bolt and a 8620 Steel Carrier with a Nitride finish that will not flake off, and produces less friction while increasing the life of the BCG. The bolt carrier groups are processed with the QPQ (quench polish quench), a specialized type of nitrocarburizing case hardening which increases corrosion resistance while adding natural lubricity and reduced wear.

Sanders Armory AR-15 Standard Charging Handle is precision machined from 6061 aluminum, hard coat anodized for durability and ease of use.

KAK Industry Barrel Thread Protector is for any rifle barrel threaded with the 5/8X24 thread pitch. The KAK thread protector offers the customer a solution to several possibilities. Guard’s threads from damage and gives the muzzle a finished look when compensator or flash hider isn't installed. Some customers are awaiting a custom or special muzzle device, compensator, or a suppressor. As with many muzzle devices they can increase the muzzle noise and flash by directing the expelled gases sideways or backwards. Which can also be unpleasant if your at a range next to another shooter.