10.5 inch AR-15 Side Charging 12.7x42 (50 Beowulf) Melonite Upper

87% of 100
Special Price $369.99 Regular Price $469.99
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.


BCA Side Charging Upper Receiver - comes with side charging handle, screw rear plug and side charging BCG.
BCA 10.5 inch 12.7x42 (50 Beowulf) Pistol Length 1/20 Twist Melonite 4150 CMV Barrel
Low profile Nitride STEEL gas block
Stainless Steel Pistol Length gas tube
Guntec USA 9 inch Keymod Slim Profile Free Float Rail
Competition Muzzle Brake Black 49/64-20 and crush washer (see pic)

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

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.

BCA makes very high quality barrels. Made out of milspec 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 0.936 and is made out of steel (not aluminum).

***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.***

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