AR-15 Combo Kit

This kit has been replaced by the new SL-15 kit.

This kit contains the AR-15 Reinforcement Kit plus all the parts needed to complete a 3D printed AR-15 Super Lower.

You will need to print the lower itself, and provide the upper and other accessories.

Lower Parts:

• Carbine Buffer Tube, Spring, and Mass.
• Buffer Retainer Detent and Spring.
• Safety Selector with Detent and Spring.
• Trigger with Spring.
• Hammer with Spring.
• Disconnector with Spring.
• Bolt Hold Open Lever with Roll Pin, Spring, and Plunger.
• Magazine Catch with Spring and Button.
• Front and Rear Take Down Pins with Springs and Detents.

Reinforcement Parts:

• Four Bushings.
• Bushing Installation Tool
• Front Plates.
• Two 10-32 Nuts.
• Two 10-32 x 1.25″ Screws
• Hose Clamp.
• Hose Clamp Cover.
• 1/4-20 Brass Insert.
• 1/4-20 x 1.125″ Screw.

A small spare parts bag is added to each Combo Kit. This includes:

• A Brass Bushing.
• Take Down Pin Detent and Spring.
• Safety Selector Detent and Spring.
• Bolt Hold Open Pin, Spring, And Plunger.

And that is everything in the kit! For more info, check out the Super Lower download on the Downloads Page.