The History

We’ve always been firearms enthusiasts and interested in history, especially World War I, World War II and The Vietnam War.

U.S. Army Capt. John Arthur, 1st Battalion, 4th Infantry Regiment

U.S. Army Europe's Best Junior Officer Competition July 25th 2012

Grafenwoehr - Germany

Build Log:

M16A2 / a3 HBAR - rEPLICA

Model 741

“Rifle, Caliber 5.56 mm, M16" adapted from the ArmaLite AR-15, initially developed in 1956.

Caliber - 5.56x45 NATO / .223 Remington

Overall Length - 39.5 Inches / 100.3cm

Weight - 10 LBS / 4.53 Kg

Notes: Loaded - 30 Round Magazine, Sling & In-Stock Cleaning Kit

Parts Specifications:

Barrel

M16A2 Barrel Assembly

Length - 20 Inch

Profile - Heavy

1:7 Rifling Twist

Rifle Barrel Extension

Manufacturer - Palmetto State Armory

Notes: Chrome bore; 1/2x28 Thread

Muzzle Device‍

A2 Compensator

Manufacturer - Palmetto State Armory

Notes: 5.56; 1/2x28 Thread

Gas Tube‍

Rifle Length Gas Tube

‍Manufacturer - Palmetto State Armory

Upper Receiver‍

M16A2 Complete Upper Receiver‍

Rifle Feed Ramps

‍Manufacturer - LUTH AR

Charging Handle

Milspec AR-15 Charging Handle

‍Manufacturer - Palmetto State Armory

Bolt Carrier Group

5.56 Phosphate MPI Full-Auto Bolt Carrier Group

Manufacturer - Toolcraft

Notes: Chrome Lined Gas Key; Hardened to USGI Specifications

Handguard

A2 Handguard

Manufacturer - Echo93

Lower Receiver‍

Stealth Lower Receiver

Manufacturer - Palmetto State Armory

Notes: A2 Profile

Fire Control Group

ARC Fire 3-Position Fire Control Group

Manufacturer - AS Designs

Notes: Safe, Semi-Auto, Full Semi-Auto

Lower Parts Kit

AR-15 Lower Parts Kit

Manufacturer - Palmetto State Armory

Receiver Extension

5.56 Rifle Length Buffer Tube

Rifle Length Buffer Spring

Rifle Length Buffer

Manufacturer - Palmetto State Armory

Notes: Buffer Weight: 5.1 oz

Pistol Grip‍

A2 Grip

Manufacturer - Palmetto State Armory

Stock‍

A2 Length Stock

Manufacturer - Palmetto State Armory

Notes: Type E Trapdoor

Stock Screw

A2 Length Stock Screw & Spacer

Manufacturer - Palmetto State Armory

Magazine

USGI Style 30-Round Magazine

Manufacturer - Brownells

Attachments / Accessories

Butt Stock Cleaning Kit

USGI Surplus

Manufacturer - DevilDogDepot

Sling

USGI M1 Sling

Buttstock Sling Adapter

Manufacturer - Vikings Tactics

Tools Used / Recommended Tools

Bench Vice

Notes: Needed for holding receivers in place during assembly.

Upper Receiver Rod

Notes: Keeps barrel secure while torquing barrel nut(very important), installing muzzle devices and keeps upper receiver stable while installing sights/optics.

Handguard Tool

Notes: Makes install & removal of handguards far easier on rifles with Slip & Delta rings.

Lower Receiver Vise Block

AR-15 Armorer's Wrench

Notes: Needed for barrel nut and buffer tube installs, helps with muzzle devices that are compatible.

Torque Wrench

Notes: Needed for installation of barrel nut.

Pin Starter Punch Set

Notes: Helps with installing trickier roll pins such as bolt catch or trigger guard.

Pin Punch Set

Center Punch Set

Notes: Needed for staking endplates / castle nuts on carbine buffer tubes.

Takedown Pin Install Tool

Notes: Greatly decreases the difficulty of installing front takedown pins without losing detents / springs.

3/16" Hex T-Handle Wrench

Notes: Allows easy access for removal & installation of pistol grips ensuring proper torque for installation.

Snap Ring Pliers

Notes: Needed for indexing snap ring that holds Slip / Delta ring while installing gas tube into upper receiver on milspec barrel nuts.

5.56 NATO Headspace Gauges

Notes: Used for ensuring proper chamber headspace between your bolt and barrel.

A list of parts and tools used can be found below. For those who want to build their own M16A2.