This is our standard TG36C pistol, 9.4" 1 in 7 twist rate nitride barrel threaded in the standard German 15mmx1 thread pitch with our low rise aluminum top rail set up that has Troy HK style flip up sights, The aluminum B&T hand guard, IDZ Brace and (3) G36 P-mags with Magpod floor plates, SI sling in a Pelican V700 case with an aluminum Data plate and TommyBuilt patch.