10.5 inch AR-15 Side Charging 9x39 Pistol Length M-LOK Stainless Upper w/Can

Special Price $519.99 Regular Price $559.99
Out of 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.


BCA Side Charging Billet Aluminum Upper Receiver - side charger Full Auto BCG, rear plug and side charging handle included
Kak Industry 10.5 inch 9x39 Pistol Length 1/7 Twist 416R Stainless Steel Barrel
Low profile Nitride STEEL gas block
Stainless Steel Pistol length gas tube
Guntec USA 12 inch M-LOK Slim Profile Free Float Rail (Keymod Pictured But M-LOK Included)
Kak Industry 5/8-24 Slimline Flash Can
*Optional*: Upgrade to an Adjustable Gas Block 

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

Designed to to be used with the Wolf 278 grain 9x39 ammo. 

The BCA Side Charging Upper Receiver comes complete with the side charging handle and side charging BCG. For those who prefer an AK47 style charging pattern. Compatible with all standard AR-15 lower receivers. Just pin it to your lower and you are ready to rock and roll.

Kak Industry makes very high quality barrels. Made out of premium 416R stainless steel for for enhanced corrosion resistance and accuracy. 

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 and is made out of steel (not aluminum).

Kak Flash Can directs gases forward away from shooter and provides sleek look with extended rail.

***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.***

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

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