The Story

Build Log:

KAK HAMMER

“BIG BLACK KAK”

Caliber - 9x19 NATO

Overall Length - 39 Inches / 99cm

Weight - 7.25 LBS / 4.65 Kg

Notes: Loaded - 20 Round Magazine

Parts Specifications:

Barrel

9MM EPC Barrel

Length - 11 Inches

Profile - Pencil

1:10 Rifling Twist

Enhanced Feed Cone

Manufacturer - Ballistic Advantage

Notes: 1/2x28 Thread

Muzzle Device‍

Flash Can

Manufacturer - KAK Industry

Notes: 9MM; 1/2x28 Thread

Upper Receiver‍

Forged Upper Receiver‍

‍Manufacturer - KAK Industry

Forward Assist

Teardrop Forward Assist

‍Manufacturer - Linemount

Notes: With pawl removed

Charging Handle

Milspec AR-15 Charging Handle

‍Manufacturer - KAK Industry

Bolt Carrier Group

9MM Enhanced Bolt Carrier Group

Manufacturer - KAK Industry

Notes: Weight 15.42 oz

Handguard

12.5-inch Tubular Handguard

Manufacturer - Presma

Lower Receiver‍

Stealth Lower Receiver

Manufacturer - Palmetto State Armory

Notes: A2 Profile

Magwell Adapter

Colt 9MM Magwell Adapter

Manufacturer - KAK Industry

Fire Control Group

Milspec Fire Control Group

Manufacturer - KAK Industry

Lower Parts Kit

AR-15 Milspec Lower Parts Kit

Manufacturer - KAK Industry

Stock & Receiver Extension Assembly

Aluminum CAR-15 Stock

Carbine Length Buffer Tube

Carbine Length Buffer Spring

Manufacturer - Harrington & Richardson

Buffer

9MM Extended Buffer

Manufacturer - KAK Industry

Notes: Buffer Weight: 8 oz

Pistol Grip‍

A1 Grip

Manufacturer - Linemount

Magazine

Colt Style 32-Round Magazine

Manufacturer - ASC

Optic

Pan AV

Manufacturer - Ultradot

Attachments / Accessories

Stock Buttpad

CAR-15 Recoil Pad

Manufacturer - John Masen

Sling

USGI GP Strap & Paracord

Pistol Grip Plug

with hex key and CR2032 battery

Colt SMG 9MM Speed Loader

Manufacturer - Maglula

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.

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.

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