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, a 6 magazine carrier pouch with shoulder strap, holster, lockable hard case, non threaded barrel, cover plate for optic cut, low profile night sights, extractor with spring, firing pin, back plate, mag loader, new bore snake. Price is firm.