msr
12-12-11, 15:26
New, never installed and complete as it came from Spike’s. Some features found only on the Spike's Tactical conversion kits include: O rings on the chamber adapter to keep the bolt centered in the .223 or 5.56 chamber and to increase the back pressure by sealing the adapter and not allowing so much carbon and gases to blow back, it also comes with a solid plug to take the place of your gas tube for those of you who shoot a lot or want to dedicate your 2.23 or 5.56 upper to .22lr. These kits come with the electrolysis nickel finish. This finish gives the bolt a much slicker, smoother finish so you do not have to run it as wet, which means the bolt stays cleaner longer. Includes one Black Dog Machine .22 LR magazine. $180.00 shipped in the US.
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http://i262.photobucket.com/albums/ii96/msrtex/IMG_3221.jpg