AR-15 5.7mm Upper Assembly with 16" Barrel

Item # WX2-160862

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Shipping restrictions apply to this product under some jurisdictions. Known age, state and local shipping requirements are applied at checkout and may result in changes to an order.

This item cannot ship to Canada.

This item cannot ship internationally.

Details & Specs

Complete AR-15 5.7mm Upper Assembly transforms your AR into a powerhouse!

Turn standard AR-15 Rifle into a FNH 5.7 with a 16" barrel.

Specs:
  • Fits FN PS 90 top-mounted magazines (not included) for straight line, low-profile shooting, even prone
  • Performance design ejects spent casings down the mag well, eliminating flying brass (and hot cases down shirt collars!)
  • Upper receiver and rails are precisely milled from a solid block of 7075 T6 aircraft aluminum for years of service
  • Rails accommodate any style of sighting system
  • Barrel has flash hider
  • Blow-back action, no gas system to get fouled. Easy maintenance.

Order ONLINE Now!

Please Note : Intended for use with carbine stocks and comes with a carbine (230g) buffer. An additional (233.5g) buffer is required for all "butt-stock" / A2 type lower receivers.

Reviews
AR-15 5.7mm Upper Assembly with 16 Barrel is rated 4.6667 out of 5 by 3.
Rated 4 out of 5 by from Solid and fun; my new favorite plinker! The AR-57 upper is a very solid piece of ordnance, and is rather front-heavy, but don't let that stop you. With the single-billet receiver and fore-end carved 'from the solid', you get no muzzle-flip, and essentially no recoil. It's a pure blow-back design, and it needs a very little in the way of maintenance - cleaning is simplicity itself.The receiver fits perfectly in any standard AR-15 lower receiver, and there are picatinny rails in all the usual places. There's *just* enough room to set both optics and off-set iron sights, if you *really* must have both. Realistically, the rear-most top rail can only accommodate relatively short optics, or you start to interfere with the magazine. The rails themselves are perhaps a bit narrower than standard; Magpul accessories fit perfectly, but other accessories may need a bit of shimming to ensure a tight fit.Magazine changes are a bit odd, but you'll get used to them. Be *certain* to buy quality magazines - I bought two off-brand magazines from another vendor, and had both fail at exactly the same point, in exactly the same way - poor-quality follower springs took a 'set' and failed to cleanly feed a round, resulting in a failure-to-feed jams. Speaking of which - familiarize yourself with the operation of the magazines and clearing failures-to-feed *before* you get to the range - these are NOT like any other firearm you've ever fired!Now to the good stuff: Firing it!The AR-57 has essentially NO perceptible recoil. It's not a long-range sniping weapon; it's a short-range light-duty carbine. It's more than adequately accurate within its useful range - about 150 yards, maximum. It's also FUN! Load up a 50-round magazine, and it feels like you can shoot all day. Sure, loading the magazine is a bit long-winded, but it's worth it, especially if you charge several magazines before leaving the house - you can shoot and shoot and shoot! If 5.7x28 ammo were any less expensive, or any easier to reload, I'd be shooting this every day - It's THAT much fun! I ditched both magnifying optics and iron sights early on - a simple 30mm point sight is really all you need for this upper - you're not going to be shooting any further than 150 yards, or you'll be 'mortaring' your shots onto the target.If you've got varmints - woodchucks, coyotes, gophers - in close quarters, this is perfect. I wouldn't try taking anything heavier than varmints with this round, though - just not enough 'oomph' there. And certainly not at any lengthy range! Tin cans, gourds, and squash, though - Those are in serious danger!The AR-57 has become my new favorite 'plinker.'
Date published: 2014-10-18
Rated 5 out of 5 by from Item is better than expected. Excellent craftsmenship Functions great.
Date published: 2014-02-12
Rated 5 out of 5 by from Simply GREAT item. I would think you could in clued at least one clip with the kit.
Date published: 2014-01-26
  • 2015-04-20T17:39CST
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Q & A
<!--begin-bvseo-questions--> <!--begin-questions--> <div id="bvseo-questionsSection"> <div class="bvseo-question-answer" data-questionid="1462413"> <h2 class="bvseo-question"> Is this the California legal version? If not what is that item number? </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: DeLeCra</div> <div class="bvseo-answer" data-answerid="1721300"> This would be able to ship to California. <div class="bvseo-author">Answered by: CUSTOMER SERVICE</div> <div class="bvseo-pubdate">Date published: 2015-03-25</div> </div> </div> <div class="bvseo-question-answer" data-questionid="1339200"> <h2 class="bvseo-question"> whats the difference between this one and Item # WX2-162199 also is this one the gen2 Item # WX2-160862 </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: steve</div> <div class="bvseo-answer" data-answerid="1587800"> Both item (WX2-162199) and (WX2-160862) are the same. They are both the generation 2 model. <div class="bvseo-author">Answered by: Customer Service</div> <div class="bvseo-pubdate">Date published: 2014-11-04</div> </div> </div> </div> <script type="text/javascript"> if (document.getElementById('bvseo-questionsSection')) { document.getElementById('bvseo-questionsSection').style.display = 'none'; } </script> <!--end-questions--><ul id="BVSEO_meta" style="display:none!important"> <li data-bvseo="bvDateModified">2015-04-20T18:21CST</li> <li data-bvseo="ps">bvseo_cps, prod_bvqa, vn_cps_3.1.1</li> <li data-bvseo="cp">cp_1, bvpage1</li> <li data-bvseo="co">co_hasquestionsanswers, tq_2</li> <li data-bvseo="cf">loc_en_US, sid_160862, PRD, sort_recentAnswersFirst</li> <li data-bvseo="diagnostics">clientName_sportmansguide</li></ul><!--end-bvseo-questions--><!--BVSEO|dz:Main_Site-en_US|sdk:v1.0.7.0-n|msg:timer 15ms -->
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