SL-9 Reinforcement Kit

This kit contains the reinforcement parts needed to complete the 3D printed SL-9 v2.8 Lower with Last Round Bolt Hold Open functionality.

You will need to provide all of the AR-15 / AR-9 parts, and print the lower itself. If you want a more complete kit, check out the SL-9 Combo Kit.

Included in this kit:

• Four Bushings.
• Bushing Installation Tool
• Two Aluminum Front Plates.
• Cheek Plates.
• Two 10-32 Nuts.
• Two 10-32 x 1.25″ Screws.
• 3/32″ x 7/8″ Dowel Pin.
• Magazine Catch.
• Ejector.
• Last Round Bolt Hold Open Levers.
• Custom Black Oxide Steel Last Round Bolt Hold Open Shaft (replaces Aluminum Hex Rod shown in picture)
• Hose Clamp.
• Hose Clamp Cover.
• Two 10-32 x 3/16″ Set Screws.

And that is everything in the kit! For more info, check out the SL-9 download on the Designs Page. This kit will not work with older versions of the SL-9.