Features notched hammer and precision-fit components.
Want to upgrade an old AR-15 with modern performance? The Sporter Lower Parts Kit from Gun Nuts does just that.
This LPK features a notched hammer for compatibility with unshrounded bolt carrier groups found in old Colt, Bushmaster, and surplus uppers, while also providing precision-machined components to guarantee reliable cycling and accuracy.
Sporter Lower Parts Kit: What's Included
- Hammer
- Pistol Grip
- Trigger
- Pivot Pin
- Pivot Pin Detent
- Pivot Pin Detent Spring
- Takedown Pin
- Takedown Pin Detent
- Takedown Pin Detent Spring
- Bolt Catch
- Bolt Catch Plunger
- Bolt Catch Roll Pin
- Bolt Catch Spring
- Buffer Retainer
- Buffer Retainer Spring
- Hammer Pin
- Hammer Spring
- Trigger Pin
- Trigger Spring
- Disconnect
- Disconnect Spring
- Magazine Catch
- Magazine Catch Spring
- Magazine Release Button
- Trigger Guard
- Trigger Guard Roll Pin
- Ambi Safety Selector
- Selector Detent
- Selector Detent Spring
- Pistol Grip Lock Washer
- Pistol Grip Screw
Installation Instructions
Follow our step-by-step instructions to install your Sporter Lower Parts Kit!
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
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