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300 Blackout (16″ Barrel & 15″ M-Lok Handguard) AR15 Complete Rifle Build Kit #1

$650.00 $550.00 (You Save $100.00)

300 Blackout (16" Barrel & 15" M-Lok Handguard) AR15 Complete Rifle Build Kit #1
Save For Later
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Free Shipping on all orders $325+!

SKU: UA300CM41617(P)-(15)MLOK_Budget


Looking for the simplest, easiest, and most affordable way to build a lightweight, skeletonized AR 15 in 300 Blackout? You’ve found the finishing piece, built and ready: Our complete 16″ 300 Blackout Rifle Upper with skeletonized 15″ M-Lok handguard, BCG and charging handle. This featherweight 300 Blackout Upper offers superior accuracy with tons of real estate for front sights and railed accessories. Some serious aesthetics are a plus with its unique skeletonized handguard.

Mil-Spec Construction

This full-built Upper features a mil-spec Type III Hard Coat Anodized finish with a classic, mil-spec M4 flat top upper receiver. M4 feed ramps ensure reliability and a USGI Picatinny rail provides mounting for any standard optic or rear sight. Forged from 7075 T6 aluminum, this upper’s as tough as any black rifle gets. Inside you’ll find a quality, nitride coated bolt carrier group made of 9130 steel with chrome-lined gas key and charging handle. This kit comes complete with everything needed to build your own 300 Blackout Rifle. 

300 Blackout Upper Barrel Features:

  • 300 AAC Blackout Chamber
  • 16″ with Parkerized Finish
  • 4150 Chromoly Steel
  • Contoured Profile
  • 1:7 Twist Rate
  • 5/8 x 24 Thread Pitch
  • A2 Birdcage Flash Suppressor
  • 15″ M-Lok Skeletonized Handguard
  • Carbine-Length Gas System (0.085 Hole)
  • Low Profile Gas Block (0.750)
  • M4 Flat Top Upper
  • M4 Feed Ramps
  • Carbine Gas Tube
  • Charging Handle
  • Chrome-Lined BCG

300 Blackout Build Kit Extras:

  • Buffer Tube and spring
  • Enhanced Stock
  • Lower Parts Kit
  • 7075 80% Forged Lower Receiver

No FFL Required

This complete, plug-and-play 300 Blackout Build Kit is the most effective way to finish your first 300 Blackout AR 15 without any guesswork. The entire barrel and gas system are head spaced and pre-installed, and everything ships to your door with no FFL required and no paperwork needed!

No FFL required Made in the USA Lifetime Warranty

300 Blackout (16″ Barrel & 15″ M-Lok Handguard) AR15 Complete Rifle Build Kit #1

$650.00 $500.00 (You Save $150 )

$650.00 $500.00 (You Save $150 )
Save For Later
Save For Later

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