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16" 5.56 Nato Upper Complete Build (Unassembled Black Barrel Upper)
$259.19
$479.99
-46%
Key Features
Show all
16" 5.56 Nato Upper Complete Build (Unassembled Black Barrel Upper)
Sale price
$259.19
Regular price
$479.99
Regular price
$259.19
Unit price
per
Fast, Tracked Shipping
Orders ship within 24–48 hours with full end-to-end tracking.
Warranty & Buyer Protection
Secure checkout, easy returns, and lifetime product support.
20+ Years Wholesale Expertise
Decades of global sourcing and B2B fulfillment experience you can rely on.
115,000 sq ft U.S. Warehouse
Massive in-stock capacity ensures faster processing and nationwide distribution.
Couldn't load pickup availability
Description
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 |
Us vs Other Stores
With over 20 years of wholesale experience, Lumensgate delivers tactical flashlights, optics, and gear-related accessories — with unbeatable service and the lowest prices online
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Full Range of Tactical Gear — Backed by 115,000 sq ft Warehouse
20+ Years of Industry Experience & Active at Gun Shows
LUMENSGATE
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Over 115,000 sq ft Warehouse
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Covered with a lifetime guarantee for worry-free use.
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Ships within 24 hours, arrives in 3–5 days.
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Contact us anytime for easy returns or exchanges.
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