No AR build is complete without a buttstock and buffer kit. This one comes with exactly what you need, in a classic mil-spec configuration that's simple, affordable, and guaranteed to work with all standard AR-15 builds.
Use our instructional guide to assemble this lower build kit!
Classic Lower Parts Kit
This Classic LPK features a mil-spec hammer and trigger, with standard pins and springs to provide a single-stage trigger pull of approximately 4.5 pounds. It offers a crisp, clean break and reset.
LPK: What's Included
- 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
- Safety Selector
- Selector Detent
- Selector Detent Spring
- Pistol Grip
- Lock Washer
- Pistol Grip Screw
- Hammer
- Pistol Grip
- Trigger
Buffer Kit
The buffer components in this lower build kit also provide a classic configuration -- the same you'd find on any mil-spec M4 rifle -- to keep things affordable, compatible, and (most importantly) reliable.
Buffer Kit: What's Included
- Six-position buffer tube
- Classic M4A3 buttstock
- Mil-spec buffer spring
- 3.0-ounce AR-15 buffer
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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