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First Complete AR Build, 300Blackout Pistol
#5644266
03/10/15 04:22 AM
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Joined: Apr 2011
Posts: 856
shumpertdavid
OP
Tracker
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OP
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Joined: Apr 2011
Posts: 856 |
This was my first full build. I had assembled several lowers and rebuilt 1 dedicated 22 upper prior to this. I traded some surplus 7.62x51 for the 7.5" barrel and began a build from there. It's a mix of new, used, and on sale parts. I used a PSA blem upper, Delaware Machinery blem lower, JP adjustable gas block (modified by adding a set screw to lock the gas port screw), Mas Defense 7.5" 1:7 twist barrel, Primary Weapons System FSC30 compensator, Guntec slim keymod freefloat handguard and pistol buffer for the Sig Brace, nickel boron BCG, basic LPK & upper build kit, & Vortex strikefire. I had the gas block, upper, and lower receivers cerakoted in titanium but decided to leave the other components alone until I decide if there will be any changes. I've only put 60 rounds through it so far, it's one loud little fire cracker.
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Re: First Complete AR Build, 300Blackout Pistol
[Re: shumpertdavid]
#5644305
03/10/15 04:54 AM
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Joined: Aug 2011
Posts: 1,703
Ronnie Oneal
Pro Tracker
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Pro Tracker
Joined: Aug 2011
Posts: 1,703 |
How accurate is it? It looks awesome.
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Re: First Complete AR Build, 300Blackout Pistol
[Re: shumpertdavid]
#5644358
03/10/15 06:52 AM
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Joined: Jul 2006
Posts: 110,788
dogcatcher
THF Celebrity
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THF Celebrity
Joined: Jul 2006
Posts: 110,788 |
Combat Infantryman, the ultimate hunter where the prey shoots back. _____________"Illegitimus non carborundum est"_______________
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Re: First Complete AR Build, 300Blackout Pistol
[Re: Ronnie Oneal]
#5644373
03/10/15 08:24 AM
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Joined: Apr 2011
Posts: 856
shumpertdavid
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Joined: Apr 2011
Posts: 856 |
How accurate is it? It looks awesome. I didn't focus heavy on accuracy in my testing yet. I was mainly checking function, getting the gas block adjusted, and roughly dialing in the strikefire and iron sights. I was shooting at 50 yards from a kneeled position and putting everything on a 10" steel. That's with some cheap supersonic Remington's from academy. I need to test on paper to see if the bullets are stabilizing, and if so then it will be on to subsonic load development. I'm very pleased with the outcome so far, I hope it's a decent shooter. It may be my inspiration to SBR and get into silencers.
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Re: First Complete AR Build, 300Blackout Pistol
[Re: shumpertdavid]
#5644416
03/10/15 11:14 AM
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Joined: Apr 2008
Posts: 7,041
texretvet
THF Trophy Hunter
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THF Trophy Hunter
Joined: Apr 2008
Posts: 7,041 |
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Re: First Complete AR Build, 300Blackout Pistol
[Re: shumpertdavid]
#5644461
03/10/15 12:14 PM
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Joined: Mar 2014
Posts: 4,005
JRJ6
Extreme Tracker
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Extreme Tracker
Joined: Mar 2014
Posts: 4,005 |
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Re: First Complete AR Build, 300Blackout Pistol
[Re: shumpertdavid]
#5644490
03/10/15 12:41 PM
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Joined: Jan 2013
Posts: 19,641
Pitchfork Predator
THF Celebrity
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THF Celebrity
Joined: Jan 2013
Posts: 19,641 |
Turned out nice.
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Re: First Complete AR Build, 300Blackout Pistol
[Re: Pitchfork Predator]
#5644704
03/10/15 03:02 PM
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Joined: Dec 2009
Posts: 5,197
tdecker22
THF Trophy Hunter
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THF Trophy Hunter
Joined: Dec 2009
Posts: 5,197 |
Turned out nice.
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