Search
Compare
main product photo

BC-15 | .458 SOCOM Complete Upper Assembly | 16" Black Nitride Heavy Barrel | 1:14 Twist | Carbine Length Gas System | MLOK Split Rail

Be the first to review this product
In stock
SKU
UAF-1536-458CHB16114M-15ASR
Special Price $242.95 Regular Price $339.99
Add to Wish List Add to Compare

Popular Accessories bought with this Complete Upper Assembly

More Choices:
30-rd-polymer-mag-556-300-blackout-BCA-PMG-M-55645 Bear Creek Arsenal | 30 Rd Polymer Mag | 5.56 NATO/.223 Wylde/.300 Blackout
$14.99
90%
4 Reviews
250th-Anniversary-Branded-30-Rd-Polymer-Mag-5.56-N 250th Anniversary Branded Black Magazine | 30 Rd Polymer Mag | 5.56 NATO/.223 Wylde/.300 Blackout
$17.76
100%
1 Review
bca-subwoofer-branded-30-round-mag-556-223-300-mag Subwoofer Branded Black Magazine | 30 Rd Polymer Mag | 5.56 NATO/.223 Wylde/.300 Blackout
$19.99
duramag-ar15-6-5-grendel-6mm-arc-15-rd-magazine-15 Duramag | AR-15 6.5 Grendel / 6MM ARC / .22 ARC / .338 ARC 15 Rd Magazine
$25.90
80%
1 Review
Duramag | AR-15 .400 Legend 5 Rd Magazine Duramag | AR-15 .400 Legend 5 Rd Magazine
$28.70
93%
3 Reviews
kci-usa-ak-47-7.62x39-20-round-magazine-KCI-MZ034- KCI USA AK-47 7.62x39 20-Round Magazine
$13.99
Duramag | AR-15 .400 Legend 10 Rd Magazine Duramag | AR-15 .400 Legend 10 Rd Magazine
$27.90
93%
8 Reviews
kci-usa-ak-47-7.62x39-30-round-magazine-KCI-MZ005- KCI USA AK-47 7.62x39 30-Round Magazine
$17.99

Includes BCG & Charging Handle

More Information
SKU UAF-1536-458CHB16114M-15ASR
Hand Guard MLOK Split Rail
Weight (lbs) 5.300000
Magazine Capacity N/A
Barrel Length 16
Profile Heavy Barrel
Twist 1:14
Barrel Finish Black Nitride
Caliber .458 SOCOM
Flutes Non-fluted
Gas System Carbine
Gas Block System 0.750
Charging Style Rear Charging
Classification Complete Upper Assembly
Platform AR-15
Receiver Material Forged
Choke Tubes No
Action Semi-Automatic
Brace Not Included

View Product Manuals

Customer Reviews
Customer Questions
What magazine/ammo does BCA recommend for each caliber?
Caliber Magazine Ammo Grain Weight Ammo Brands   BCA Status AR15 - 223/5.56 MagPul PMAG, MFT 55, 69, 75   Sierra   AR15 - 224 Valkyrie ASC 90 Sierra   AR15 - .22 ARC ASC 88 Hornady   ...
Read More
Do you have a storefront that I can buy in person?
No we do not have a storefront. You can only purchase online. Sanford, NC is our manufacturing plant. 
Read More
How do I clean and maintain my AR?
Check out this video to learn How to Clean & Maintain your Rifle 
Read More
Why am I not receiving any option for shipping?
It could be one of these two issues:   1. You may need to select the shipping address by checking the circle box listed by address   or    2. You maybe in a restricted state FFL Blocked States: California Delaware Hawaii...
Read More
How do I change the barrel in my AR?
Check out this video to learn how to change your AR barrel: https://youtu.be/4C0NEPFur6A?si=Nrhiawz76SWkFeD0
Read More
Please, mind that only logged in users can submit questions

 It is the responsibility of the consumer to ensure all state, local, federal, and ITAR regulations are followed.

You need to be 18 or older to purchase a rifle and 21 or older to purchase a handgun, Pistols, lower assembly or Ammunition.

* 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.

Attention SignAttention Sign

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.

Ratings & Reviews

Be the first to review this product

Write your review
About the BC-15 | .458 SOCOM Complete Upper Assembly | 16" Black Nitride Heavy Barrel | 1:14 Twist | Carbine Length Gas System | MLOK Split Rail
Only registered users can write reviews. Please Sign in or create an account
Copyright © 2026 Bear Creek Arsenal, LLC. All Rights Reserved.