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AR build from scratch

Old 10-26-2015, 08:17 PM
  #121  
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Originally Posted by Huntersun View Post
NW, JMHO, very little is gained with the piston system on a 14.5"-16" AR, they do run cleaner but at the expense of added weight and loss of accuracy. Stick with the proven DI gas system for parts availability if nothing else. Lot's of quality parts available, I've had great luck with Noveske and CMMG barrels, just make sure your gas block will work with your hand guard. What barrel length and gas system (length) are you going with, also twist rate? Enjoy the build, this is a great time to buy cheap and stack deep.
Huntersun, thank you for the information. And I am thinking about going the route of DI gas system for simplicity and available parts.I am looking at the Battle Arms Ultramatch 16" as well as their gas block. And the hand guard I am hoping will be coming from Spikes Tactical to match my ST-22 flat top upper receiver.
Originally Posted by DVR View Post
Didn't want to do the yard today so I went to psa and picked up a magpul moe OD lower build kit and sat down with one of my stripped psa lowers. Something I'd done earlier this week in FDE. Note the lack of custom, expensive AR assembly tools... Don't let all the suggested tools scare you away. I made my own pivot pin install tool (out of an old #2 phillips screwdriver) and Amazon prime got the castle nut wrench to my door for about $8- I can get it just as tight with a brass punch
I got one of those AR-15 multi tools from Amazon, I just returned it since it screwed up my castle nut during installation. I went with the Magpul Armorer's Wrench, I like the idea of having more surface contact with the castle nut itself preventing it from jumping off like the cheap one I had did. I am sure it had a lot to due with the fact it was my first time, but nonetheless I didn't expect I'd need to order a new castle nut. And besides the Magpul tool has a bottle opener. I also went with the Bev Block as well, here is the video.... https://www.youtube.com/watch?v=7Uz5Ve7MTiM
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Old 10-26-2015, 09:43 PM
  #122  
DVR
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The castle nut tool works just like it is supposed to. I just helped a friend assemble two lowers tonight. It worked perfectly. I can open a bottle with about anything so I won't miss that feature! It does look like a great tool.
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Old 10-27-2015, 05:36 AM
  #123  
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Originally Posted by DVR View Post
The castle nut tool works just like it is supposed to. I just helped a friend assemble two lowers tonight. It worked perfectly. I can open a bottle with about anything so I won't miss that feature! It does look like a great tool.
I don't doubt the castle nut tool doesn't work. With the one I had, between the weight of the steel multi tool and torque wrench combined all the while trying to keep the tool on the castle nut it didn't take much for my former tool to jump off and F' up the castle nut when I was trying to get the 40ft/lbs. A simple, single use tool is the way to go, one hand on the tool the other on the nut. I am also wondering how important is getting the 40ft/lbs verses just having the castle nut tight? I am also thinking the length of the Magpul tool should give the user close to 40ft/lbs from my past experience. And for some strange reason THT isn't allowing me to have new paragraphs for some strange reason.
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