+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG AR5CUB3 Caliber: 5.56x45mm NATO, Overall Length: 24.5 in, 22% Off w/ Free S&H

Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15 M-LOK AR5CUB3
Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15 M-LOK AR5CUB3
1 of 1 images
Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15 M-LOK AR5CUB3

Tap Tap to Zoom

Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
You May Also Like
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
(41)
List: $17.95 $16.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
(26)
List: $14.95 $13.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
(44)
List: $12.95 $11.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
(41)
List: $17.95 $16.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
(26)
List: $14.95 $13.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 20 Round, Black, 1 Pack, Polymer, MAG560BLK-20RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 20 Round, Black, 1 Pack, Polymer, MAG560BLK-20RD
(17)
List: $14.95 $13.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
(9)
List: $22.95 $20.45 Save Up to 11%
Blazin' Deal Strike Industries Rifle Magazine, AR-15, .223 Remington/5.56 NATO, 33 Round, Smoke Gray, 1 Pack, Polymer, SI-AR-MAG-33RD
Strike Industries Rifle Magazine, AR-15, .223 Remington/5.56 NATO, 33 Round, Smoke Gray, 1 Pack, Polymer, SI-AR-MAG-33RD
(10)
List: $26.99 $12.29 Save Up to 12%
Best Rated Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
(11)
List: $15.95 $14.95 Save Up to $1.00
Best Rated PMC Ammunition 556K X-Tac, 5.56x45mm NATO, 62 grain, Light Armor Piercing, Brass, Centerfire Rifle Ammo, 20, 5.56
PMC Ammunition 556K X-Tac, 5.56x45mm NATO, 62 grain, Light Armor Piercing, Brass, Centerfire Rifle Ammo, 20, 5.56
(103)
List: $14.99 $11.29 Save Up to 25%
Questions & Answers
Caliber: 5.56x45mm NATO Overall Length: 24.5 inBarrel Length: 16 - 16.99 inBarrel Profile: Government Gas System Length: Mid Length Barrel Twist Rate: 1-8 Threads per Inch: 1/2x24 Muzzle Device: A2 Flash Hider Finish: Black Nitride Color: Black Handguard Length: 15 in

Code: 77-URC-AR5CUB3-AR5CUB3

MPN: AR5CUB3

UPC: 815879019738

List: $459.99Save 22%
$359.99

Product Info for AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG

Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15" M-LOK - The AR Complete Upper Receiver with BCG features a Mil-Spec anodized upper with 16" SOCOM profile 4150 chorme moly vanadium barrel, and 15" M-LOK free-float handguard. The barrel also has a nitride finish, M4 feed ramps, and A2 flash hider.image

Specifications for AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG:

Manufacturer: AIM Sports Inc
Caliber: 5.56x45mm NATO
Overall Length: 24.5 in
Barrel Length: 16 - 16.99 in
Barrel Profile: Government
Gas System Length: Mid Length
Barrel Twist Rate: 1-8
Threads per Inch: 1/2x24
Muzzle Device: A2 Flash Hider
Finish: Black Nitride
Color: Black
Fabric/Material: 4150 Chrome Moly Vanadium
Handguard Length: 15 in
Gun Make: AR Platform
Gun Model: AR-15

Features of AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG

  • Forged Upper Receiver
  • M4 Feed Ramps
  • Salt Bath Nitride Finish
  • A2 Flash Hider
  • Full Auto Bolt Carrier MPI Tested 9310 Steel Bolt
  • Mid length gas tube and low profile gas block
  • Bolt Carrier Group 8620 steel and bolt is 9310 tool steel with a Nitride finish

Package Contents:

  • AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG

What firearm models does the manufacturer say AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG is compatible with?

The manufacturer suggests that AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG is compatible with AR-15

AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG Orderable Models

List of Orderable Models

  • AIM Sports Inc Complete AR 15in Mid Length 5.56 Nato 16in SOCOM Upper Receiver w/ BCG, Black, Large, AR5CUB3 , MPN: AR5CUB3 , UPC: 815879019738 , Code: 77-URC-AR5CUB3-AR5CUB3
Compare (0)
1 item has been added
Add at least two items to compare