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Feb 12th, 2024
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 Help with AR lower and upper
#6080889
12/13/15 08:56 AM
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Joined: Nov 2012
Posts: 132
mason15
OP
Woodsman
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OP
Woodsman
Joined: Nov 2012
Posts: 132 |
looking to build a AR trying to decide between seekins or spikes upper and lower!
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Re: Help with AR lower and upper
[Re: mason15]
#6081016
12/13/15 02:22 PM
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Joined: Jun 2009
Posts: 4,193
Korean Redneck
Extreme Tracker
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Extreme Tracker
Joined: Jun 2009
Posts: 4,193 |
You'll probably get a lot of response saying either or are good, which is true. My vote is Seekins because it seems like they're a little cheaper these days. Have u seen the following? http://swfa.com/SWFA-iRMT-R-Upper-SP223-Lower-12-Keymod-MCSR-Set-P88175.aspxIt's Seekins billet set. This is a killer deal if you're not wanting some very specific handguard.
Last edited by Korean Redneck; 12/13/15 02:23 PM.
I'm a dude who likes long barrels!
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Re: Help with AR lower and upper
[Re: mason15]
#6081168
12/13/15 04:19 PM
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Joined: Aug 2011
Posts: 6,173
Tactical Cowboy
THF Trophy Hunter
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THF Trophy Hunter
Joined: Aug 2011
Posts: 6,173 |
PSA blemished dude.. Take the money you saved and put it towards a good barrel and trigger.
The secret to a long life is to try not to shorten it.
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Re: Help with AR lower and upper
[Re: mason15]
#6081594
12/13/15 08:39 PM
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Joined: Aug 2012
Posts: 15,564
TexFlip
THF Celebrity
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THF Celebrity
Joined: Aug 2012
Posts: 15,564 |
I can't get over the Seekins trigger guard. 
Just to make sure that it is done thoroughly, I go both ways.
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Re: Help with AR lower and upper
[Re: mason15]
#6083879
12/14/15 11:15 PM
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Joined: Dec 2009
Posts: 5,450
Big Fitz
THF Trophy Hunter
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THF Trophy Hunter
Joined: Dec 2009
Posts: 5,450 |
What is your intended use? For precision a billet receiver might be best. For a carbine or short range I would not spend the extra money on billet. Something else to consider...while it is true there are only a few sources for the forgings, the precision of machining varies from manufacturer. Spikes has a good reputation but BCM, JP, and Mega have a reputation of much tighter tolerances on critical dimensions. Mil-Spec dimensions are not very tight in this case. Just my 
I was wrong...on anything technical. Fitz............. is right, ya know............
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Re: Help with AR lower and upper
[Re: Tactical Cowboy]
#6083907
12/14/15 11:32 PM
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Joined: Oct 2010
Posts: 464
RockRiver223
Bird Dog
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Bird Dog
Joined: Oct 2010
Posts: 464 |
PSA blemished dude.. Take the money you saved and put it towards a good barrel and trigger. This^^ Of the 30 or so lowers I've assembled, I have seen no difference in overall functionality between a PSA blem lower (my favorite), and anderson lower (second favorite), to RRA, BCM, Noveske, and one or two billet lowers put together. Finish may vary from manufacturer to manufacturer, but specs are all pretty much the same. I have seen even higher end builds have play between the assembled upper and lower. Doesn't affect accuracy or functionality. Also, I'm not a huge fan of spikes lowers - the two that I have built up did not drop free with pmags. Purchased those about 2 years ago, don't have any experience with recent production runs.
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Re: Help with AR lower and upper
[Re: mason15]
#6095945
12/22/15 06:21 AM
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Joined: Jan 2013
Posts: 1,539
okstatefan
Pro Tracker
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Pro Tracker
Joined: Jan 2013
Posts: 1,539 |
I like PSA parts and prices.
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