Posted 9 Sep 2019 (edited) M3A1 .45 ACP GI grease gun Barrel, shortened and threaded 5/8-24 for a suppressor, includes thread protector. $300.00 $15 shipping. PM if interested Edited 9 Sep 2019 by Frank Iannamico Greensburg, Pennsylvania, United States Share this post Link to post Share on other sites