Low profile piston system mod kit?

Knight6

Full Member
Full Member
Minuteman
Nov 29, 2012
257
1
California, USA
Does anyone know of a company(ies) that produce a low profile piston modification kit. I have a CMMG upper and barrel with a low profile gas block and have built everything around this, and would like to move it to a piston system. Thanks in advance for any info you can provide!