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#6080889 - 12/13/15 02:56 AM Help with AR lower and upper
mason15 Offline
Woodsman

Registered: 11/26/12
Posts: 108
Loc: Harris County
looking to build a AR trying to decide between seekins or spikes upper and lower!

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#6081016 - 12/13/15 08:22 AM Re: Help with AR lower and upper [Re: mason15]
Korean Redneck Offline


Registered: 06/24/09
Posts: 2524
Loc: Houston
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.aspx

It's Seekins billet set. This is a killer deal if you're not wanting some very specific handguard.


Edited by Korean Redneck (12/13/15 08:23 AM)

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#6081168 - 12/13/15 10:19 AM Re: Help with AR lower and upper [Re: mason15]
Tactical Cowboy Offline
Extreme Tracker

Registered: 08/23/11
Posts: 3503
Loc: Snyder
PSA blemished dude.. Take the money you saved and put it towards a good barrel and trigger.
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#6081594 - 12/13/15 02:39 PM Re: Help with AR lower and upper [Re: mason15]
TexFlip Online   content
THF Celebrity

Registered: 08/18/12
Posts: 10720
Loc: Chambers County
I can't get over the Seekins trigger guard. sick

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#6083879 - 12/14/15 05:15 PM Re: Help with AR lower and upper [Re: mason15]
Big Fitz Offline
Veteran Tracker

Registered: 12/06/09
Posts: 2412
Loc: Prosper, TX
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 2cents
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#6083907 - 12/14/15 05:32 PM Re: Help with AR lower and upper [Re: Tactical Cowboy]
RockRiver223 Offline
Bird Dog

Registered: 10/23/10
Posts: 382
Loc: Richardson
Originally Posted By: Tactical Cowboy
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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#6095945 - 12/22/15 12:21 AM Re: Help with AR lower and upper [Re: mason15]
okstatefan Online   content
Pro Tracker

Registered: 01/26/13
Posts: 1015
Loc: Forney, TX
I like PSA parts and prices.

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