AR-15 5.56 Nato 16" Rifle Build Kit (Unassembled) -BLK
Sale

AR-15 5.56 Nato 16" Rifle Build Kit (Unassembled) -BLK

Shooters Gate
SKU:
AR-BDKT-U556-167HC-M15-BLK-1
$479.99 $259.19
(32 reviews)
Weight:
7.00 LBS
Current Stock:
136
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Description
- OVERVIEW -
This Shooters Gate AR-15 Build Kit provides a solid Mil-Spec foundation for a dependable 5.56 NATO build. It includes a Stripped upper receiver, a 16“ 5.56 NATO barrel with a gas system (twist varies depending on the barrel), and a Black 15“ free-float M-LOK handguard for stability and accessory mounting.

The kit also features a Bolt Carrier Group, made in the USA, standard charging handle, complete lower parts kit, and a Mil-Spec buffer tube assembly. Only a stripped lower receiver and magazine are required to complete the build.
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Upper Assembly

Upper Receiver
Stripped upper receiver
Barrel
16“ 5.56 NATO barrel
(twist varies depending on the barrel)
Dust Cover & Forward Assist
  • Black dust cover
  • Black forward assist
Gas System
  • Gas Block (diameter varies depending on the barrel)
  • Gas Tube (length varies depending on the barrel)
Muzzle Device
A2 Bird Cage Flash Hider with crush washer
Handguard
Black M-LOK Free Float Handguard
For 16“ Uppers there will be a 15“ handguard
BCG & Charging Handle
  • Bolt Carrier Group, made in the USA
  • Black standard charging handle

Buffer System

Included Parts
Mil-Spec Stock Mil Spec Buffer Tube Buffer Spring Buffer Castle Nut End Plate

Lower Parts Kit

Included Parts
Safety Selector Safety Detent Safety Detent Spring Trigger Guard Trigger Guard Roll Pin Pistol Grip Washer Pistol Grip Screw Buffer Retainer Retaining Spring Mag Release Mag Release Button Mag Release Spring Takedown Pins (x2) Takedown Springs (x2) Takedown Detents (x2) Hammer Spring Hammer Pin Trigger Spring Trigger Pin Bolt Catch Bolt Catch Plunger Bolt Catch Spring Bolt Catch Roll Pin Disconnector Disconnector Spring Trigger Guard Screws Trigger Hammer AR-15 Pistol Grip

To Complete Your Build

What You Still Need
  • AR-15 Stripped Lower Receiver (FFL & Background Check required)
  • Magazine suitable for your desired caliber
⚠ 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 www.p65warnings.ca.gov
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Reviews

  • 5
    love it

    Posted by Homan on Dec 1st 2025

    I bought this kit about one years ago and love the rifle, I have built 5 more rifles in different kits and have had no issues out of any of them. The quality of the parts are great and cant beat the price.

  • 5
    Good

    Posted by Jonathan on Dec 1st 2025

    Fair price, lower quality, misleading advertisement, I would buy agian.

  • 5
    Perfect

    Posted by Kim Sackmann on Nov 26th 2025

    Parts as advertised. Excellent shipping & handling, arrived ahead of schedule. Customer Service was fast and professional.

  • 5
    Great build kit

    Posted by Garret on Nov 26th 2025

    Great kit went together easy I will be buying more.

  • 5
    Build kit

    Posted by Ron on Nov 25th 2025

    I purchased a week ago 16 full length good quality I am so happy best deal so far I am highly recommend this build kit totally worth it and they customers service is 100% legit I meet than from Chantilly gun show stuff are great people mark is a great guy