Thank you both for the info kc0myg. the weapon is an MC51 SD ( a MP5SD on steroids). I want to leave the barrel at 16 inches to avoid the sbr. The reflex design is win win. Short ahead of the muzzle helps with mis-alignment issues, long behind is 2 points of contact for more stability and better wei...

As I am process of designing and building my first form 1, I have read a lot of posts here and researched baffle designs all over the web. I have asked about material choices and have found some conflicting information. I am building for a 30 cal (308) and initially planned on using .065 seamless 31...

Thinking more now of using 316l seamless stainless same dimensions as original post. Welded endcap and reflex type baffles. Or is .065 just too thin?

Is a seamless DOM tube with a wall thickness of .062 strong enough for .308. Planning on doing a long reflex type integral suppressor on an HK. Tube will have interior dim of 1.5 and od of 1.625

I have read about first round pop. What is it, why does it occur ?

Been lurking for a couple of days. My first post so please be kind, found this site to be a wonderful source of information. Want to do a form 1 integral suppressor for G3SD project. Been reading that this is not the best platform. My plan is keep the barrel at 16" for reliability, use most of ...