This is a Glock 21 SF Gen 3 done by JW Customs. The barrel is threaded .578 x 28 for a standard .45 cal suppressor, grip stippled, trigger guard undercut, slide cut for Trijicon optic, suppressor height sights, trigger job. The optic is a Trijicon RM04 tritium with amber dot. Included are 8 magazines, 13 round, and a 6 magazine carrier pouch with shoulder strap. Price is firm.