Dirty Bird 20″ M16A1 Enhanced 5.56 Retro Rifle Kit

This Dirty Bird 20″ M16A1 Enhanced 5.56 Retro Rifle Kit is everything you need to outfit your lower receiver, so that you can have a complete rifle.

Dirty Bird 20″ M16A1 Enhanced 5.56 Retro Complete Upper

20″ 5.56 Lightweight Contour 1:9 Rifle Length Barrel w/ FSB

• Chambered in 5.56
• 1:9 Twist Rate
• Button Rifled
• A2 Front Sight Base w/ Front Sight Post Installed

M16A1 Assembled Upper Receiver

• 7075-T6 Forged Aluminum
• Factory Installed Teardop Forward Assist & Dust Cover
• Factory Installed Dual Aperture Rear Sight
• Integrated M4 Feed Ramps
• Fully Compatible with any Mil-Spec Lower Receiver

A1 Triangle Handguard

A1 3 Prong Compensator

NBS Enhanced Mil-Spec Charging Handle

Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56

• Strategically relocated load bearing surfaces reduce carrier tilt/can’t during recoil, thus increasing reliability and longevity.
• Additional wall thickness in the gas exhaust port area for added strength and rigidity.

The 9310 Bolt is machined to mil-spec dimensions and then the external surfaces including the lugs are CNC ground after the heat treating process to ensure a very precise fit. The bolts themselves feature the same Black Nitride finish as the carrier and are High Pressure (HP) Tested and Magnetic Partical Inspected (MPI) in accordance with Mil-STD-1816 specifications.

KAK AR-15 A2 Buttstock Kit – Black

• Polymer A2 Stock w/ Storage Compartment
• A2 Extension Tube
• A2 Receiver Extension / Buffer Tube
• Chrome Silicon A2 Rifle Buffer Spring
• A2 Spacer
• Assembly Screw

OEM Mil-Spec AR-15 Lower Parts Kit