Precision machining, ambidextrous safety.
The Pro Line Ambidextrous AR-15 LPK provides the best in American engineering, affording precision-cut fire control components that ensure the highest reliability out of the box.
Coupled with an ambi safety, ultra-smooth trigger, and mil-spec fitment, the Pro Line Ambi Lower Parts Kit is the perfect choice for completing your stripped lower or fabricated 80% lower.
Pro Line LPK: What’s Included
This AR-15 Lower Parts Kit includes all components required for assembling your AR-15 stripped lower receiver, minus a buffer tube kit (sold here).
- Bolt Catch
- Bolt Catch Plunger
- Bolt Catch Roll Pin
- Bolt Catch Spring
- Buffer Retainer
- Buffer Retainer Spring
- Disconnector
- Disconnect Spring
- Notched 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
- Ambitdextrous Safety
- Safety Detent
- Safety Detent Spring
- Takedown Pin
- Takedown Pin Detent
- Takedown Pin
- Detent Spring
- Trigger
- Trigger Guard
- Trigger Guard Roll Pin
- Trigger Pin
- Trigger Spring
LPK 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.
Buffer Assembly Sold Separately
Finishing Your Custom AR-15 Build
This lower parts kit is compatible with retail-bought stripped lower receivers and fabricated
AR-15 80% lowers. Learn what other parts you need to finish your AR-15 with our
Beginner’s Build Guide.
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
Shipping Restrictions
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
Precision machining, ambidextrous safety.
The Pro Line Ambidextrous AR-15 LPK provides the best in American engineering, affording precision-cut fire control components that ensure the highest reliability out of the box.
Coupled with an ambi safety, ultra-smooth trigger, and mil-spec fitment, the Pro Line Ambi Lower Parts Kit is the perfect choice for completing your stripped lower or fabricated 80% lower.
Pro Line LPK: What’s Included
This AR-15 Lower Parts Kit includes all components required for assembling your AR-15 stripped lower receiver, minus a buffer tube kit (sold here).
- Bolt Catch
- Bolt Catch Plunger
- Bolt Catch Roll Pin
- Bolt Catch Spring
- Buffer Retainer
- Buffer Retainer Spring
- Disconnector
- Disconnect Spring
- Notched 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
- Ambitdextrous Safety
- Safety Detent
- Safety Detent Spring
- Takedown Pin
- Takedown Pin Detent
- Takedown Pin
- Detent Spring
- Trigger
- Trigger Guard
- Trigger Guard Roll Pin
- Trigger Pin
- Trigger Spring
LPK 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.
Buffer Assembly Sold Separately
Finishing Your Custom AR-15 Build
This lower parts kit is compatible with retail-bought stripped lower receivers and fabricated
AR-15 80% lowers. Learn what other parts you need to finish your AR-15 with our
Beginner’s Build Guide.
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
Shipping Restrictions
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
- Platform:
- AR15
- Brand:
- Schmid Inside