ATI, 5.56x45mm NATO, AR-15 Parts Kit

Item # WBCL4-584157

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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.

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Details & Specs

ATI® 5.56x45mm NATO AR-15 Rifle Parts Kit has everything but the lower receiver.

A comprehensive collection of Parts! Just in... these magnificent Rifle Parts to keep your passion working smooth as silk. Nothing but the best quality, includes everything but the lower receiver. Get yours here to outfit your tactical fire-stick right.

No stone unturned:

  • Mil.-spec certified 4150 chrome-moly vanadium steel M4 contour barrel with 1/7 twist
  • Chambered in 5.56x45mm NATO
  • Melonite-coated barrel
  • T-marked forged M4 upper receivers with extended M4 feed ramps
  • Picatinny gas block
  • A2 flash hider installed with Peel washer
  • M4 single heat shield handguard
  • M16 bolt carriers
  • Mil.-spec fire control group with .154-diam. pins
  • Mil.-spec .154-diam. hammer and trigger pins
  • Mil-spec. .250-diam. take-down pins
  • Mil.-spec 6-position ribbed reinforced stock.
  • Kit does not come with mag. or trigger guard
  • Weighs 6 1/2 lbs.
Reviews
ATI, 5.56x45mm NATO, AR-15 Parts Kit is rated 4.4848 out of 5 by 33.
Rated 5 out of 5 by from Fantastic kit Kit is still in the box, I am slow at the machining part. Looks like very good kit.
Date published: 2015-05-15
Rated 5 out of 5 by from Excellent pricing I bought this to go in my emergency survival bag. So I have not used it.having been in the Military though I can say it is as described.Only wish it had optional caliber choices.
Date published: 2015-05-13
Rated 3 out of 5 by from Good price, But second set was incomplete The first kit I bought was complete. However, the second kit was missing the safety detent spring. Let me tell you. Finding a spring like that on a weekend is near impossible. You have to buy a whole spring kit to the tune of around $50.00. Just for a $3.00 spring.
Date published: 2015-04-22
Rated 5 out of 5 by from i got my product and i am so happy about it,no problem at all
Date published: 2015-04-02
Rated 5 out of 5 by from best deal around kit come exactly as described. all parts are in excellent shape and build strong. worth every penny. strongly recommended.
Date published: 2015-03-28
Rated 5 out of 5 by from New AR build All parts were of good quality and fit without any problems
Date published: 2015-03-11
Rated 5 out of 5 by from 1-2-3- Rifle First timer at this. Kit was complete. I found a UTube video and things went together real easy. I'm going to try it this weekend. Super price.. quick delivery. Wish there was a kit where I could choose between good, better, best for some of the parts.
Date published: 2015-01-09
Rated 5 out of 5 by from Great value Received my kit and found everything to be in it except the trigger guard. High quality through out and consistent in color. Just wish that they would send a how to put together info for first timers like me. While build another soon.
Date published: 2014-12-16
  • 2015-05-22T18:04CST
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Q & A
<!--begin-bvseo-questions--> <!--begin-questions--> <div id="bvseo-questionsSection"> <div class="bvseo-question-answer" data-questionid="1499503"> <h2 class="bvseo-question"> Does this parts kit include forward assist on the upper? Does it come with a commercial or mil spec buffer tube, is a fully assembled bolt/firing pin included? Who is the manufacturer of the lower parts fire control system? </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: Eagle</div> <div class="bvseo-answer" data-answerid="1768344"> It does include the forward assist. The buffer tube is mil spec. The assembled bolt and firing pin is included. ATI is the manufacturer of all internal parts which are made in the USA. <div class="bvseo-author">Answered by: Customer Service</div> <div class="bvseo-pubdate">Date published: 2015-05-18</div> </div> </div> <div class="bvseo-question-answer" data-questionid="1504042"> <h2 class="bvseo-question"> does the upper arrive assembled? </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: angelo</div> <div class="bvseo-answer" data-answerid="1767668"> Yes, it will come fully assembled. <div class="bvseo-author">Answered by: CUSTOMER SERVICE</div> <div class="bvseo-pubdate">Date published: 2015-05-17</div> </div> </div> <div class="bvseo-question-answer" data-questionid="1483047"> <h2 class="bvseo-question"> How do I know if this will ship to my home.  Massachusetts 02745 </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: Mark</div> <div class="bvseo-answer" data-answerid="1743801"> The item is restricted from shipping to the zip code 02745. <div class="bvseo-author">Answered by: customer service</div> <div class="bvseo-pubdate">Date published: 2015-04-22</div> </div> </div> <div class="bvseo-question-answer" data-questionid="1468433"> <h2 class="bvseo-question"> Can a AR-10 lower be installed on this gun so it can shoot7.62?? </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: David</div> <div class="bvseo-answer" data-answerid="1730863"> No, this upper is only designed to be paired with a AR-15 lower. This kit when completed will shoot the 5.56x45mm caliber. <div class="bvseo-author">Answered by: Customer Service</div> <div class="bvseo-pubdate">Date published: 2015-04-07</div> </div> </div> <div class="bvseo-question-answer" data-questionid="1468579"> <h2 class="bvseo-question"> When does the deal expire? </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: Brian</div> <div class="bvseo-answer" data-answerid="1727523"> Already expired lol.  <div class="bvseo-author">Answered by: Juggar</div> <div class="bvseo-pubdate">Date published: 2015-04-02</div> </div> </div> <div class="bvseo-question-answer" data-questionid="1458910"> <h2 class="bvseo-question"> This rifle barrel; how long is this barrel, and your longest-range barrel:  </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: rayfkmn</div> <div class="bvseo-answer" data-answerid="1721177"> The barrel is 16&quot; long. <div class="bvseo-author">Answered by: Customer Service</div> <div class="bvseo-pubdate">Date published: 2015-04-02</div> </div> </div> <div class="bvseo-question-answer" data-questionid="1457995"> <h2 class="bvseo-question"> Is the barrel chrome lined? </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: bruce</div> <div class="bvseo-answer" data-answerid="1716662"> This barrel is certified 4150 chrome-moly vanadium steel M4 contour barrel with 1/7 twist. <div class="bvseo-author">Answered by: Customer Service</div> <div class="bvseo-pubdate">Date published: 2015-03-19</div> </div> </div> <div class="bvseo-question-answer" data-questionid="1452004"> <h2 class="bvseo-question"> ATI 5.56x45mm NATO AR-15 Rifle Parts Kit with Quad Rail ard-pmag?a=1723337#sthash.qChoRG7k.dpuf does it need the ar10 lower or doew it work on the ar15 reciver </h2> <div class="bvseo-question-detail"> </div> <div class="bvseo-author">Asked by: michael</div> <div class="bvseo-answer" data-answerid="1711970"> This kit works with a standard AR-15 lower receiver. <div class="bvseo-author">Answered by: Customer Service</div> <div class="bvseo-pubdate">Date published: 2015-03-13</div> </div> </div> </div> <script type="text/javascript"> if (document.getElementById('bvseo-questionsSection')) { document.getElementById('bvseo-questionsSection').style.display = 'none'; } </script> <!--end-questions--> <!--begin-pagination--> <ul id="bvseo-paginationSection"> <li class="bvseo-paginationItem"><a class="bvseo-paginationLink" href="http://www.sportsmansguide.com/product/index/ati-556x45mm-nato-ar-15-parts-kit?a=1671722&bvrrp=Main_Site-en_US/questions/product/2/584157.htm">ATI, 5.56x45mm NATO, AR-15 Parts Kit Questions - page 2</a></li> </ul> <!--end-pagination--><ul id="BVSEO_meta" style="display:none!important"> <li data-bvseo="bvDateModified">2015-05-22T16:57CST</li> <li data-bvseo="ps">bvseo_cps, prod_bvqa, vn_cps_3.1.3</li> <li data-bvseo="cp">cp_1, bvpage1</li> <li data-bvseo="co">co_hasquestionsanswers, tq_18</li> <li data-bvseo="cf">loc_en_US, sid_584157, 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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