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1/31/2009 7:58:49 PM EDT
I have a Bushmaster XM15-E2S and I want to swap the regular stock with a collapsible stock, What's involved with this process?
2/1/2009 5:10:16 AM EDT
[#1]
Simply removing the tube & old stock & installing the new one. For the collapsible set up you'll need a stock wrench to tighten the castle nut & you're g2g. You need the receiver extention (aka buffer tube), castle nut, end plate & carbine buffer & spring.
2/1/2009 5:12:34 AM EDT
[#2]
TM 9-1005-319-23 Unit And Direct Support Maintenance Manual M16A2, M4, M4A1

http://www.ar15.com/content/index.html#manuals
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