8.5 inch AR-15 NR Side Charging 300 Blackout Melonite Complete w/Can Upper Kit

Special Price $599.99 Regular Price $689.99
In stock

Why Buy From Us?


Don't see the exact configuration you want? No problem, just let us know. Most of the time we can customize with the parts we have just to your liking.


All our uppers have a Lifetime Warranty to the original purchaser. Some conditions apply - click here for details.

Customer Service

We believe in customer service before and after the sale. We never take days or weeks to respond. Most of the time if you email or leave a message, we usually respond the same day or next business day.

Turnaround Time

Most of our uppers are built to order. Our most important goal is to get your order to you as quickly as possible without sacrificing quality. Please check the live status update on the banner above and/or on our homepage for current processing times.


We always specify the manufacturer of the major components therefore you know what you are getting. We only use quality components from well-known manufacturers.


Gibbz Arms G4 Non Reciprocating Side Charging Upper Receiver with Gen 2 Handle (Gibbz Cam Pin Included)
Tactical Kinetics 8.5 inch 300 Blkout Pistol Length 1/7 Twist 4150 CMV Melonite Barrel
Low profile Nitride STEEL gas block
Stainless Steel Pistol length gas tube
Guntec USA 9 inch Keymod Slim Profile Free Float Rail
Kak Industry Slimline Flash Can
PSA Full Auto Nitride BCG
Unbranded AR ELG Lower Parts Kit
AR-15 Stabilizing Blade Kit
Optional: Upgrade to an Adjustable Gas Block 
Optional: Upgrade to an Azimuth Technology Nickel Boron BCG
Optional: Upgrade to a SB Tactical SBA3 Adjustable Brace

We only use quality parts from reputable manufacturers in the industry.

Tactical Kinetics makes very high quality barrels. Made out of 4150 CMV and melonited for enhanced corrosion resistance and lubricity. 

The Guntec rail is very high quality and comparable to many other higher end rails that cost 2x or 3x as much. Handguard is lightweight, made from high quality 6061 aluminum and mounting system is rock solid.

Gas Block diameter is 0.750.

***NFA/SBR rules apply unless upper is installed on a pistol configured lower receiver. It is the customer's responsibility to know/obey the gun laws in his/her state.***

Comes with a PSA Full Auto Nitride BCG. 

*Optional*Upgrade to an Adjustable Gas Block. Great option if you are using suppressor or just want to fine tune your system.

*Optional* - Upgrade to an Azimuth Technology Nickel Boron BCG.

*Optional* - Upgrade to a SB Tactical SBA3 Adjustable Brace.

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