AR-9 80% Lower Assembly – Fire/Safe Marked

Build your AR-9 rifle or pistol the easy way.

Piecing together all the parts required to put together an AR-9 lower assembly — that works reliably with a 9mm AR upper — isn’t easy. That’s why we’ve done it for you. This lower assembly kit takes out the guesswork when it comes to parts compatibility and getting the right buffer setup!

AR-9 80% Lower Receiver Specs:

• ONLY compatible with GLOCK® OEM and Elite Tactical Systems magazines.
• Compatible with standard 9mm upper receivers
• Type III Hard anodized (mil-spec)
• 6061-T6 billet aluminum construction
• Enhanced, heavy-duty trigger guard
• Threaded bolt catch hole (threaded pin included)
• AR9 Ejector included
• 100% Made in the USA

Lower Parts Kit with Pistol Grip

This AR-15 Lower Parts Kit includes all components required for assembling your AR-15 stripped lower receiver:

• Bolt Catch
• Bolt Catch Plunger
• Bolt Catch Roll Pin
• Bolt Catch Spring
• Buffer Retainer
• Buffer Retainer Spring
• Disconnector
• Disconnect Spring
• Steel Hammer
• Hammer Pin
• Hammer Spring
• Magazine Catch
• Magazine Catch Button
• Magazine Catch Spring
• Pistol Grip (A2 style)
• Pistol Grip Lock Washer
• Pistol Grip Screw
• Pivot Pin
• Pivot Pin Detent
• Pivot Pin Detent Spring
• Safety Selector
• Safety Selector Detent
• Safety Selector Detent Spring
• Takedown Pin
• Takedown Pin Detent
• Takedown Pin
• Detent Spring
• Steel Trigger
• Trigger Guard
• Trigger Guard Roll Pin
• Trigger Pin
• Trigger Spring

Buffer Kit w/ Brace

• SBA3 Tactical Pistol Brace
• Mil-Spec Buffer Tube
• 9mm Buffer
• Recoil Spring
• Latch Plate
• Castle Nut