The Anderson Lower Parts Kit (LPK) has become a popular choice among AR-15 builders and enthusiasts. Its affordability and generally reliable components make it an attractive option for those looking to assemble their own rifles or replace worn-out parts. However, understanding what constitutes a quality LPK and what to look for is crucial for a successful build. This comprehensive guide will delve into the specifics of Anderson LPKs, addressing common questions and concerns.
What's Included in an Anderson Lower Parts Kit?
An Anderson Lower Parts Kit typically includes all the essential components needed to complete the lower receiver of an AR-15 style rifle, excluding the lower receiver itself. These components usually include:
- Hammer: The component that strikes the firing pin.
- Hammer Pin: Secures the hammer in place.
- Disconnector: A crucial safety mechanism that prevents the rifle from firing fully automatically.
- Disconnector Pin: Secures the disconnector.
- Trigger: The component that initiates the firing sequence.
- Trigger Pin: Secures the trigger.
- Bolt Catch: The component that holds the bolt open after the last round is fired.
- Bolt Catch Pin: Secures the bolt catch.
- Safety Selector: Allows the rifle to be switched between safe, semi-automatic, and potentially burst/full-auto modes (depending on the configuration of the firearm).
- Safety Selector Detent: A small spring and pin that retains the safety selector.
- Safety Selector Spring: Provides tension for the safety selector.
- Magazine Catch: Releases the magazine.
- Magazine Catch Button: The button you press to release the magazine.
- Magazine Catch Roll Pin: Secures the magazine catch.
Quality and Variations in Anderson LPKs
While Anderson Manufacturing is a well-known name in the firearms industry, the quality of their LPKs can vary slightly depending on the manufacturing run and specific components. Some users report positive experiences with smooth operation and reliable function, while others have noted minor inconsistencies in machining or finish. It's crucial to inspect the parts upon receipt and address any concerns before assembling your lower receiver.
Many variations of Anderson LPKs exist. Some may include enhanced components, such as upgraded triggers or improved materials. These enhancements usually come at a higher price point.
Assembling Your Anderson LPK: A Step-by-Step Approach (General Overview)
Assembling an AR-15 lower receiver requires careful attention to detail and proper tools. While a complete step-by-step guide is beyond the scope of this article (and readily available via numerous online resources and videos), here's a general overview:
Pre-Assembly Checks:
- Inspect all parts: Carefully check each component for any burrs, defects, or damage.
- Clean parts: If necessary, lightly clean parts to remove any manufacturing residue.
Assembly Process (Simplified):
The assembly process generally involves installing the trigger group, bolt catch, safety selector, and magazine catch, following a specific order. Precise instructions and diagrams are readily available online from reputable sources, and it's highly recommended to consult these resources before starting. Improper assembly can lead to malfunction and potential safety hazards.
Post-Assembly Function Check:
After assembly, it's crucial to perform a thorough function check to ensure all parts are functioning correctly and safely. This involves dry-firing the lower receiver (without ammunition) to verify the trigger pull, safety selector operation, and bolt catch function. Remember always to follow all safe gun handling practices.
Finding and Purchasing an Anderson Lower Parts Kit
Anderson LPKs can be purchased from various online retailers and gun stores. Be sure to choose a reputable seller to ensure you receive genuine Anderson parts and avoid counterfeit products. Compare prices from different vendors to find the best deal.
Conclusion
The Anderson Lower Parts Kit offers a budget-friendly option for AR-15 builders, providing a generally reliable set of components. However, thorough inspection, careful assembly, and a post-assembly function check are vital for a safe and functional build. Remember to consult detailed instructions and diagrams before starting the assembly process, and prioritize safe gun handling practices at all times. This guide provides a foundation for understanding Anderson LPKs; always research and seek further information to ensure you have all the necessary knowledge for your specific build.
