Home CMMG The Perfect 5.7x28mm Lower – Palmetto State Armory, CMMG, Rise Armament, Tom's...

The Perfect 5.7x28mm Lower – Palmetto State Armory, CMMG, Rise Armament, Tom's Tactical

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The new 5.7x28mm Upper Kit from CMMG needs a platform. Let’s see what a combination of Palmetto State Armory, Rise Armament, CMMG, and Tom’s Tactical can do. Some of these elements are bargain-basement but still up to the task, freeing me to put my money where I want it most.

This rig:
1. Palmetto State Armory Lower
2. Tom’s Tactical LPK
3. Rise Armament LE-145
4. CMMG Ripbrace

Chapters:
00:00 – Introduction to the 5.7 Craze
01:00 – Ruger-57 and CMMG Banshee
01:47 – CMMG Upper Conversion Kit
04:33 – Parts Selection
07:24 – Tools
09:17 – Putting It All Together

Don’t miss the next videos in the series, where we’ll take a close look at the new CMMG 5.7 Upper Conversion, upgrade it with some sights and a scope, then get out to the range to test its accuracy and lethality.

If you want to see more videos like these, become a Patron of the Destructive Arts! For a buck or two a month, Patrons help keep the cameras running and receive sneak peeks and bonus footage.

Kyle Broderick, The Social Regressive

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24 COMMENTS

  1. Great video! Nice work man! A part of me wanted to see you attempt the front takedown pin. I always do those in the living room and point it down at the carpet. Yes I’ve shot them like tiny rockets and got pretty frustrated once.

  2. I tried one of those rise triggers, I really wanted to like it but I had to return it. It would either double tapping or would not reset. Basketcase of a trigger. I read a ton of other people had the same problem. My guess is that by now they've gotten better, but they never addressed it as a common issue. It's like they just tried to keep selling the bad triggers while they quietly put out the market ready counterparts

  3. When I taught my daughter to shoot an AR she really liked the A2 grip, works good for a smaller hand. Started her off with a .22lr conversion. I can see the 5.7mm as great start too

  4. The Aero Precision M4E1 lower with the threaded screw in lieu of the bolt stop roll pin is amazing. Between that and the integral trigger guard, I never want to assemble any other kind of lower.

  5. That safety looks out of spec, it's not laying flush with the safety stop, which usually means the safety was not drilled properly for the detent. Do you notice that it's not locking up tight with the detent, or is the safety kind of weak while engaging and disengaging?

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