gunner40sw Posted July 6, 2018 Share Posted July 6, 2018 (edited) I have an FN SLP Mark I with a 22 inch barrel. Can that take a FN Standard Invector extended choke tube also I am replacing the red piston that came with the gun and installing a new browning universal gold piston. The old red piston is really fouled bad with carbon so what is the best way to clean that and with what. Thanks in advance Edited July 6, 2018 by gunner40sw Link to comment Share on other sites More sharing options...
Dan Sierpina Posted July 6, 2018 Share Posted July 6, 2018 It is supposed to be Invector, not Invector Plus. The barrel should be marked as to type. Link to comment Share on other sites More sharing options...
gunner40sw Posted July 6, 2018 Author Share Posted July 6, 2018 Hey Dan the tube says invector standard not plus so that should be ok right Link to comment Share on other sites More sharing options...
Dan Sierpina Posted July 7, 2018 Share Posted July 7, 2018 If it doesn't say Plus, it isn't. Link to comment Share on other sites More sharing options...
HorizonT_s Posted July 13, 2018 Share Posted July 13, 2018 I just purchased the standard invector chokes last week and received them yesterday. Those are the correct size. I ended up getting the extended chokes 2 FN branded and 1 briley. Link to comment Share on other sites More sharing options...
greerstyl Posted September 15, 2018 Share Posted September 15, 2018 how has this run for you? Link to comment Share on other sites More sharing options...
HorizonT_s Posted September 23, 2018 Share Posted September 23, 2018 I have had decent luck with it. The 8rnd magazine tube kind of hurts, but the gun runs great and the new chokes are awesome. The flip up sight is good for long distance slugs. Link to comment Share on other sites More sharing options...
technetium-99m Posted September 24, 2018 Share Posted September 24, 2018 When I had one I took a jar full of mineral spirits and soaked the piston overnight. Blow it out with compressed air the next day. Link to comment Share on other sites More sharing options...
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