[Hectic]

Thanks. Yeah im well aware of matching cylender to barrel. Every gun i buy first thing i do is check the cylender and buy an inner to maximize effeciency.useually 430 or 455 in m4's my two current ones are 455 i figured sdding sorbo and havin an inner that was alrdy at the max volume wasnt good so i went to the non ported cylender. Now i can go longer inner for a dmr build (prolly go 510mm)
Well after working out a trigger bug (the switch was sticking cause the prongs wer too tight)
Ive got a working gun even got semi!!
Now to see if it holds up. Gonna have the gurus take a listen to it on sunday. Sounds good to my untrained ear at any rate.