Posted December 15, 2015 12:47 pm by Comments

By Guns ‘n’ Freedom

How to build an ar lower step by step

This is the third installment of how to assemble a stripped lower. If you missed the first two articles, you can find them here [link] & here [link]. We have already put between 15 and 20 pieces into the lower. Kudos on getting this far! You may want to pick up an AR 15 tool and a vice block for these last few steps. It can be done without them, but it is much more difficult.

  1. Drop the bolt catch spring into the hole above the magazine release on the left side of the lower. The narrow end of the bolt catch plunger slips into the spring.

how to build an ar part 3

Next, slide the bolt catch into the slot.

You can use a small Allen wrench to align the bolt catch with the lower. Stabilize the lower with your vice block and tap the bolt catch roll pin into the lower securing the bolt catch.

  1. The rear takedown pin will be assembled in reverse order of the front takedown pin. Slide the takedown pin into the lower. Then drop the detent pin into the rear of the …Read the Rest

    Source:: GunsNFreedom

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