BC-15 | 5.56 NATO Right Side Charging Upper | 10.5" 416R SS M4 Barrel | 1:8 Twist | Pistol Length Gas System | 9.5" MLOK | with BCG & Charging Handle
Popular Accessories bought with this Complete Upper Assembly
This BCA AR-15 complete 5.56 NATO pistol length upper has a 10.5" M4 contour barrel with a 416R Stainless Steel finish, and features a 1:8 twist rate, with a pistol length gas system. It includes a 9.5" MLOK rail, an M4 flat-top billet upper receiver, a BCA bolt carrier group, a flash hider, and a right-side charging (Gen2) handle (patent protected). This 5.56 Nato upper is compatible with any mil-spec AR-15 lower.
Shop more 5.56 NATO Uppers!
Check out Magazines here!
Check out our Ammunition Recommendations!
*Note – We strive to provide the most accurate photographs of our product. Variations may occur in the skeletonized section of the handguard/flash hider you receive.


WARNING: This product can expose you to chemicals, such as lead and other petroleum products, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to the California P65 Warning site.
| SKU | 9464N-UASCH556PM410.518SS-10M3 |
|---|---|
| Weight (lbs) | 3.750000 |
| Manufacturer | Bear Creek Arsenal |
| Magazine Capacity | N/A |
| Barrel Length | 10.5 |
| Profile | M4 Contour |
| Twist | 1:8 |
| Barrel Finish | Stainless Steel |
| Material | 416R Stainless Steel |
| Thread Pitch | 1/2 x 28 |
| Caliber | 5.56 NATO |
| Feed Ramp | M4 |
| Flutes | Non-fluted |
| Gas System | Pistol Length |
| Gas Block System | 0.750 |
| Charging Style | Right Side Charging |
| Classification | Complete Upper Assembly |
| Platform | AR-15 |
| Bolt Material | E9310 |
| Receiver Material | Billet |
| Choke Tubes | No |
It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed.
* Note – We strive to provide the most accurate photographs of our product. Variations may occur in the skeletonized section of the handguard/flash hider you receive.


WARNING: This product can expose you to chemicals, such as lead and other petroleum products, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to the California P65 Warning site.
BCA CYT Red Dot with Shake Awake Motion Activation | 3 MOA Dot Size
Included
BC-15 | Multi-Caliber | Forged | Complete Lower Assembly | Black Anodized
Included
BC-15 | 5.56 NATO Pistol | 10.5" Parkerized M4 Barrel | 1:7 Twist | Carbine Length Gas System | 9.5" MLOK | No Magazine
BC-15 | 5.56 NATO Side Charging Pistol | 7.5" Parkerized Contour - 0.75 | 1:7 Twist | Forged Lower | 4150 Pistol Length Gas System | MLOK Split Rail



















