LR-308/AR-10 Lower Parts Kit (w/ Hammer and Trigger)

We strive to provide accurate photographs of our product. Due to parts availability, this kit's trigger and hammer may come in stainless or black.

Want an LR-308 trigger that suffers no creep, take-up, or over-travel? Looking for the easiest-to-install LPK? How about the most affordable parts kit possible? This LR-308 LPK comes in at a low-price with machining and performance that truly feels match-grade.

Polished for .308 Performance

Th quality control is second to none and the finish show it: Inside you’ll find a disconnector, hammer hook, and sear that were laser-cut and polished to break as clean as glass at exactly 4.5 pounds. The trigger affords perfect reset after every pull, with no break-in required. Every roll pin presses easily, while the hammer and trigger pins glide in with little effort.

Complete LR-308 LPK w/ Pistol Grip

This LR-308 Lower Parts Kit includes all components required for assembling your LR-308 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
• Selector
• Selector Detent
• Selector Detent Spring
• Takedown Pin
• Takedown Pin Detent
• Takedown Pin
• Detent Spring
• SSteel Trigger
• Trigger Guard
• Trigger Guard Roll Pin
• Trigger Pin
• Trigger Spring

Easy-to-Follow Install Instructions

First time assembling, or need assistance with certain steps? Check out our in-depth instructional and picture guide. It shows the full LPK assembly with tips and tricks, including tools required and the buffer tube and castle nut install.

To make your installation easy, we strongly recommend purchasing a set of roll pin punches with a gunsmith hammer.

Compatible with Retail and 80% Lowers

This .308 LPK works with both LR-308 80% lowers and retail-bought .308 stripped lower receivers.

Buffer Assembly Sold Separately

A buffer tube, stock, latch plate, castle nut, and recoil spring with buffer are required to complete the assembly of your .308 lower receiver. Grab a .308 buffer kit here.