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AR-15 5.56 Nato 16" Rifle Upper Complete Build Kits (Unassembled Black Barrel Upper) - Black
Shooters Gate
$479.99
$287.99
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Shooters Gate
AR-15 5.56 Nato 16" Rifle Upper Complete Build Kits (Unassembled Black Barrel Upper) - Black
Get 16" Build Kits for just $259!
Omnisend Form ID: 69118f80a4d433ba5d002b1e
Key Features
| Forged 7075-T6 Upper | Mil-Spec stripped upper receiver (black) |
| 16" 5.56 NATO Barrel | 1:8 twist, mid-length gas (optimized for 55–77 gr) |
| 15" Free-float Handguard | M-LOK compatible for accessories and rails |
| USA-Made BCG | Bolt carrier group manufactured in the USA |
| Complete Lower Parts Kit | Trigger, pins, springs, hammer — ready to install |
| Mil-Spec Buffer Tube & Spring | Carbine buffer and spring included |
| Bonus Gear Included | Armorer’s wrench, gun mat, one-point sling (all free) |
What You Still Need to Complete the Build
| Stripped Lower Receiver | An AR-15 Stripped Lower Receiver (transfer requires FFL & background check as governed by local law) |
| Magazine | A magazine appropriate for your selected caliber |
Package Contents
| ● | Upper Receiver (forged 7075-T6, black, Mil-Spec, stripped) × 1 |
| ● | Barrel — 16" 5.56 NATO × 1 |
| ● | Dust Cover (black) × 1 |
| ● | Forward Assist (black) × 1 |
| ● | Gas Block — .750" × 1 |
| ● | Gas Tube — mid-length × 1 |
| ● | Muzzle Device — A2 birdcage flash hider with crush washer × 1 |
| ● | Handguard — 15" black M-LOK free-float × 1 |
| ● | Bolt Carrier Group (Made in USA) × 1 |
| ● | Charging Handle (black standard) × 1 |
| ● | Lower Parts Kit (trigger, pins, springs, hammer, etc.) × 1 |
| ● | Buffer Tube — black Mil-Spec (commercial set available on request) × 1 |
| ● | Castle Nut (black) × 1 |
| ● | End Plate — black Mil-Spec × 1 |
| ● | Stock — black Mil-Spec with built-in sling adapter (commercial set available on request) × 1 |
| ● | Buffer Spring (standard carbine) × 1 |
| ● | Buffer — carbine buffer × 1 |
| ● | Extra Ambi End Plate (left/right sling options) × 1 |
| ● | Armorers Wrench × 1 |
| ● | Gun Mat (protective assembly/cleaning mat) × 1 |
| ● | One-Point Sling (adjustable) × 1 |
Model: AR-15 Unassembled Rifle Build Kit
Shooters Gate proudly offers this AR-15 Unassembled Rifle Build Kit — it contains nearly all components required to assemble a functioning AR-15 upper and the common lower parts needed for installation.
Complete upper assembly components
USA-made bolt carrier group
5.56 NATO — 1:8 twist (mid-length gas)
WARNING:
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 visit https://www.p65warnings.ca.gov.
Note: Firearm laws and transfer requirements vary by state and locality. It is the buyer's responsibility to ensure compliance with all federal, state and local laws when purchasing and assembling firearm components.
SKU: AR-UBK-16-556
Availability: In stock
