Rifle Build Kit - 5.56 | BN Complete 16" Ambi Side Charging Upper Receiver | BN LBK | CA15 100% AR Billet Lower (FFL REQ.)

Rifle Build Kit - 5.56 | Bare Necessities Complete 16" 5.56  Ambi Side Charging Upper Receiver | A2 | 15" OPT-X M-LOK | Bolt Carrier Group and Charging Handle | with Combat Armory Billet AR-15 Lower Receiver (FFL REQ.)

Complete build kit with 100% Combat Armory billet lower receiver:

Features:

• Combat Armory Billet AR Lower Receiver
• Mil Spec Receivers Made of 7075 T6 Aluminum Billet
• Magpul style trigger guard machined in
• Flared Mag-well
• Combat Armory machinist take pride in delivering the very best for our customers used by Military, Police, and Firearms enthusiasts

This item MUST ship to an FFL. Please see our purchasing guidelines for more information



The Complete 16 inch Ambi Side Charging 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 barrel and our black nitride bolt carrier group that is finished with an incredible polish, making the action smooth and easy to keep clean.

WARNING: THIS IS AN AMBI SIDE CHARGING UPPER/ BCG. BE SURE TO TAKE EXTREME CARE AS THE CHARGING HANDLE RECIPROCATES WITH THE BCG. POTENTIALLY BEING DANGEROUS IF YOUR FINGERS OR HAND ARE IN THE WAY DURING CYCLING. WE RECOMMEND USING THE CHARGING HANDLE ON THE RIGHT SIDE.

Bolt Carrier Group:

• Enhanced 9310 Steel (Bolt)
• Side Charging - with ambidextrous threading, allowing anyone to use it, regardless of handidness!
• 8620 Tool Steel (Carrier)
• Mil-Spec Extractor Spring, black extractor insert, Viton O-Ring
• Tool Steel Extractor
• Shrouded Firing Pin
• Mil-Spec Gas Key (4130 Steel) attached with Grade 8 hardware and Properly staked
• Caliber: .223 / 5.56 / 300 Blackout
• 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
• No T-marks
• No forward assist
• No shell deflector
• 100% Made in USA

Handguard:

• 15" free float handguard
• 6061-T6 Aircraft Grade Aluminum
• Mil-Spec HardCoat Anodized
• Picatinny rail on top
• 8 M-Lok slots on 3 sides
• Clamp on system with 2 screws and 2 square nuts for easy assembly
• Solid Barrel nut with clamp-on design to resist movement
• Made in USA

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

Bare Necessities AR15 Complete Lower Parts Kit:

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

Components:

• Disconnector Spring
• Hammer Pin & Trigger Pin
• 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
• Aluminum 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

 *May come with standard “tear-drop” endplate OR ambidextrous sling loop endplate based on component availability.

Please Note: Uppers may present light fouling from our quality control process and/or test firing



***Please allow an additional 2-3 business days of lead time as these uppers are made to order.***