For 20% Off Use Code: "TECHMO24"

Rifle Build Kit - 5.56 | 16" Complete Upper Receiver | M4 6-Positon Stock Kit | XTS LPK

Rating: Total Reviews: (1 review) Write a Review
Product Code: RBK-RTB16C55612RA2-TS-M4-6POS-XTS
List Price: $639.85
MSRP: $639.85
Sale Price: Sale Price: $404.95
Savings: $234.90
$404.95
Click for Price

Pistol Build Kit - 5.56 | 16" Complete Upper Receiver with A2 | M4 6 Positon Stock and Buffer Tube Kit | XTS Lower Parts Kit w/ Polymer Trigger Guard

Complete 16" 5.56 Carbine Upper Receiver | 15" M-LOK | BCG & CH:

This Complete 16 inch M-LOK upper receiver comes with a 15 inch free float handguard and is built with only the best Mil-Spec components. The heart of this upper is comprised of a 4150 M4 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.

Barrel:

  • 16" 5.56 4150 CMV Barrel - Black Nitride
  • M4 Carbine Profile - .750" GB Journal
  • 1:7 Twist Rate - 1/2x28 Muzzle Thread
  • Fitted with A2 Flash Hider


Bolt Carrier Group:

  • Enhanced 9310 Steel (Bolt)
  • 8620 Tool Steel (Carrier)
  • Bolt is shot Peened and MPI
  • All BCG components pre polished before being processed and then post polished for an incredible shine


Upper Receiver:

  • Machined from a Mil-Spec 7075 T6 Forging
  • Hard Coat Anodized per Mil-A-8625F, Type III
  • M4 Feed ramps


Handguard:

  • 15" Lightweight - Free Float M-LOK


Charging Handle:

  • Forged 7075 Aluminum construction
  • Mil-Spec Type-III Hardcoat Anodized finish


Tactical Sport 6-Position M4 Stock Kit:

This polymer stock is made from impact-resistant, high-strength material.

  • Mil-spec Diameter Extension Tube Made from Aircraft Aluminum with Rolled Threads
  • Built for Heavy-duty Operations with Tightest Tolerance Control
  • Stock Assembly Complete with Action Spring, Buffer Assembly, Tear-drop Ring, and Castle Nut


XTS AR15 Complete Lower Parts Kit:

With everything you need for a complete lower, including every spring, pin, the XTS LOWER PARTS KIT makes your rifle truly complete by including the all-important Safety, Mag Catch, Hammer and Trigger, Take Down, and A2 Standard Grip

  • Safety Selector
  • Selector Spring
  • Selector Detent
  • Magazine Catch
  • Magazine Catch Spring
  • Aluminum Magazine Catch Button
  • Bolt Catch
  • Bolt Catch Detent
  • Bolt Catch Spring
  • Bolt Catch Roll Pin
  • Take Down Pin Take Down Detent
  • Take Down Detent Spring
  • Front Pivot Pin
  • Front Pivot Pin Detent
  • Front Pivot Pin Detent Spring
  • Polymer Trigger Guard
  • Trigger Guard Roll Pin
  • Buffer Retainer Detent
  • Buffer Retainer Spring
  • A2 Pistol Grip
  • Pistol Grip Screw
  • Pistol Grip Lock Washer
  • Trigger
  • Trigger Spring
  • Hammer
  • Hammer Spring
  • Disconnector
  • Disconnector Spring
  • Hammer Pin & Trigger Pin
*May come with standard “tear-drop” endplate OR ambidextrous sling loop endplate based on component availability.





Please Note: Every upper is test fired during our quality control process and may present light fouling
SKU:
RBK-RTB16C55612RA2-TS-M4-6POS-XTS