AR-15 - Magpul ASAP Installation

Published on May 5, 2013
Duration: 5:11

This guide details the installation of the Magpul ASAP Ambidextrous Sling Attachment Point receiver end plate for an AR-15. The process involves greasing threads, correctly orienting the castle nut, and carefully seating the end plate while managing the takedown pin spring. It highlights the importance of using the correct anti-rotation block for either mil-spec or commercial receiver extensions. The instruction comes from an experienced individual demonstrating high authority in AR-15 assembly.

Quick Summary

The Magpul ASAP (Ambidextrous Sling Attachment Point) is a receiver end plate for the AR-15 that offers versatile sling mounting options. Installation requires differentiating between mil-spec and commercial receiver extensions, greasing the threads with AeroShell 33MS, torquing the castle nut to 40 ft-lbs, and staking it. Care must be taken to avoid bending the takedown pin spring.

Chapters

  1. 00:00Introduction to Magpul ASAP Installation
  2. 00:27Mil-Spec vs. Commercial Receiver Extensions
  3. 01:09Greasing Receiver Extension Threads
  4. 01:51Castle Nut Installation
  5. 02:25End Plate and Spring Management
  6. 04:04Anti-Rotation Block Installation
  7. 04:50Final Torque and Staking

Frequently Asked Questions

What is the primary function of the Magpul ASAP receiver end plate?

The Magpul ASAP (Ambidextrous Sling Attachment Point) is a receiver end plate for the AR-15 that provides a robust and versatile point for attaching slings, allowing for ambidextrous use and multiple sling mounting options.

How do you differentiate between mil-spec and commercial-spec receiver extensions for ASAP installation?

Mil-spec receiver extensions have a slightly smaller outer diameter than commercial-spec ones. The Magpul ASAP kit includes different anti-rotation blocks to accommodate the specific dimensions of each type.

What is the correct torque specification for the castle nut when installing the Magpul ASAP?

The recommended torque specification for the castle nut when installing the Magpul ASAP is 40 foot-pounds (ft-lbs). After torquing, it must be staked to prevent loosening.

Why is it important to grease the receiver extension threads before installing the ASAP?

Greasing the receiver extension threads with a suitable lubricant like AeroShell 33MS prevents the threads from seizing, especially during high-heat conditions, and ensures that the castle nut can be torqued accurately without galling.

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