Gun Nuts® Sporter Lower Parts Kit

Description

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!