Mar 26, 2013 · I am going to be buying an SR-15 upper and I can't decide on which model (barrel length/rail) to get. I am looking more at the longer end of the length spectrum, 18", 16" basically. I am planning on building an SBR after this, so I don't …

Jul 15, 2012 · My particular gun consists of a complete Knight's Armament Company SR-15 E3 CQB SBR upper (with carbine action spring and H2 buffer) on a lower I built out from a S&W stripped lower. The specs are 11.5" URX 2 upper with the E3 bolt and barrel.

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Dec 11, 2018 · I'm looking to buy an SR-15 upper for my first AR. I'm really torn on deciding between an 11.5" or a 14.5" barrel. My reason for buying an SR-15 is really for the long-term reliability.

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Dec 31, 2014 · Does any one know if the Geissele Mk 8 rail is compatible with the KAC Mod 2 SR 15 with URX 4 ? I'm not sure if there is any thing proprietary with the barrel on the Mod 2 that would prevent install of a 13" Geissele Mk 8 M Lok rail.

May 26, 2014 · I'm about to pull the trigger on a SR-15 upper but I need it to work with the VLTOR A5. I don't forsee an issue but I want to see if anybody has done this. It is the newest SR-15 model so it should have a slightly larger gas port than the earlier models.

Jul 1, 2011 · I purchased a urx ii rifle length and I want to install it on a SR-15. Anyone done this before and can guide me in the right direction. Installation of URX II Rifle Length on SR-15

Mar 31, 2016 · I'm about to pull the trigger on a SR-15 upper but I need it to work with the VLTOR A5. I don't forsee an issue but I want to see if anybody has done this. It is the newest SR-15 model so it should have a slightly larger gas port than the earlier models.

Mar 23, 2014 · Send me a PM if you have an ambi KAC SR-15 lower with the QD cups built into the lower... willing to pay above MAP. Thanks! ***KAC lower Sourced - OFFER CLOSED 03/25/14***