Home CMMG Build Your AR-15 Lower Receiver!

Build Your AR-15 Lower Receiver!

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Everyone asks where I find AR-15 stuff in stock or where I order from, so here you are:

AR-15 detailed lower build. Please utilize the following areas in this video to watch certain aspects of the build:

0:00 – Intro/Information
2:13 – Magazine Catch
4:21 – Trigger Guard
6:54 – Bolt Catch
9:20 – Pivot Pin
10:50 – Trigger Assembly
13:11 – Hammer Assembly
15:17 – Safety/Selector
15:52 – Pistol Grip
16:50 – Buffer Tube/Receiver Extension
21:21 – Buttstock
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Build guide:

Tools used:
– Roll pin holders:
– Roll pin punches:
– Vise block:
– AeroShell 33MS grease:

Lower receiver from (tell them I sent you!):

Upper receiver from (tell them I sent you!):

Parts from:

I received inspiration from this build from Stickman’s photos. You can check him out here:

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39 COMMENTS

  1. Thank you, very well done and informative.
    Just grabbed a PSA 16" MIDLENGTH NITRIDE 5.56 NATO 1:7 MOE EPT FREEDOM RIFLE KIT WITH REAR MBUS, FLAT DARK EARTH on sale.
    Added the PSA "I Stand" Lower and will be building it as soon as everything arrives.
    I've watched all of these I can find and yours is one of the best so far.
    It's definitely going to save me some head and heartache on my first build.

  2. You should copy over all of your videos to Gun Streamer and UGE before YouTube deletes them. Those networks have a feature where you can just enter your link and the files will be automatically copied over from YouTube. It would be a shame for this video to be lost because of YouTube censorship.

  3. Used this as a reference 4x now as I put together new lowers. Thanks for the great video. Always have it on in the background as I do it. Just finished another one 10 mins ago!

  4. Bolt catch pin is a pain for me can't seem to get it flush and scared to give it a good smacking. My punch might not be great bought 1 on Amazon but the ends seem stripped from colliding with the pin.

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