Building my first AR

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dorminWS
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Re: Building my first AR

Post by dorminWS »

Nothin' to it. By the 2nd or 3rd mag, you'll be full-auto-ing them empty, soon after which your barrel will be smoking, and your gas tube will be cherry red. Reckon that's what was meant by "full auto goodness". :clap: :clap:
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iainb
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Re: Building my first AR

Post by iainb »

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JamesDuncan
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Re: Building my first AR

Post by JamesDuncan »

quite cool!

Have you considered multiple sights? A friend of mine has been toying with the idea of a powerful (12x+) scope for distance (200m) and a red-dot laser for 50 and estimating elevation above target for intermediate distances. Lasers seem inexpensive and very practical for tactical speed, while the scope is key to distance. There are cheap versions of such a setup that minimize parallax (ie. http://www.amazon.com/CVLIFE-Hunting-2- ... aser+scope), but there are undoubtedly better designs -- we just started thinking about the concept.
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iainb
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Re: Building my first AR

Post by iainb »

I actually have a Vortex Spitfire 1x Prism scope coming in the mail today, got it for $150 on sale from PSA a few days before Christmas.

I also picked up some new parts for the AR in the past few months.

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These went on in November
Strike Industries Ultimate Dust Cover (got it for $7 on sale)
Strike Industries AR Receiver Extension QD plate (threw it in the cart with the cover)

Got these for Christmas
UTG Pro 15" Super Slim Keymod handguard
BCM KAG in Keymod
Magpul BAD lever

Replacing the quad rail with that slim keymod really transformed the rifle. It's about half as wide on the front and a little lighter.
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MarcSpaz
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Re: Building my first AR

Post by MarcSpaz »

Just a quick piece of advice... get that front sight off the quad-rail and move it to the front of the upper frame.

The free-float quad-rail is only mounted to the front of the upper frame. The further out from the frame you get, the more inaccurate the sights get. The quad-rails move constantly and inconsistently during handling of the weapon, making your sight configuration extremely unreliable past 25-30 yards.

Free-float quad-rails are intended for non-precision accessories, such as tac lights, bi-pods, sling mounts, forward grips, etc.. They are not designed for precision items such as fixed sights, BUIS', HWS, lasers, etc. due the the single mounting point and the flexibility of the material and the increased range of motion as the rail system gets longer.

The only time you should have a fix front sight that far forward is if it is actually mounted to the barrel. When you fire a rifle, the barrel literally oscillates. If you watch super slo-mo video of it, you would be extremely shocked at home much it actually moves. BUT, the front sight mounted to the barrel (or front gas block) moves with the barrel, thus keeping the sight alignment correct.

Here is a good video showing the movement...

https://www.youtube.com/watch?v=_9ULBtsnkR0
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iainb
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Re: Building my first AR

Post by iainb »

Got some more parts from Amazon.

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M1A4ME
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Re: Building my first AR

Post by M1A4ME »

All mine, with no standard front sight base, have the front BUIS mounted on the free float tube.

No issues. Then again, I've only shot mine at 25 yds.
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iainb
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Re: Building my first AR

Post by iainb »

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