FTN 4 Flagship

FTN 4 Flagship series, no readme. But you can figure it out right? pins for the a2-> https://www.amazon.com/DYWISHKEY-Pieces-Stainless-Making-Handle/dp/B09W5NSDKL/ref=sr_1_18?crid= LBRY Tags: ftn; suppressor; ftn 4; beta; 3dprinting