Updated 2025-06-29: Version 0.5.5 The OP9-A is a variant of the OP9 that has just a single non-printed part - a readily available aluminum thread adapter. HIGHLY RECOMMENDED YOU READ THE GUIDE IN THE ORIGINAL OP9 BETA DOWNLOAD: https://odysee.com/@OpenPew:9/op9-beta:0 ALSO HIGHLY RECOMMENDED YOU READ THE "README.txt" IN THIS DOWNLOAD LBRY Tags: 3d2a; suppressor; fosscad; guncad