I saw this topic but I would believe this answers everything. Glock 35 = 24.52 + Tungsten = 1.6 Total weight with empty mag is 26.12 see table below from USPSA Approved weight.
17 9mm (25 oz.), 17 Gen4 9mm (25 oz.), 17 RTF2 9mm (24.4 oz.), 19 9mm (23.7 oz.), 19 Gen 4 (23.8 oz.), 20 10mm (30 oz.), 20 Gen4 .40 cal (25.4 oz.), 20 SF 10mm (30.4 oz.), 21 .45 ACP (29.2 oz.), 21 SF .45ACP (29.3 oz.), 22 .40S&W (25.6 oz.), 22 Gen 4 (25.7 oz.), 22 RTF2 .40S&W (25.8 oz.), 23 .40S&W (23.7 oz.), 23 Gen 4 (24 oz.), 26 9mm (21.8 oz.), 26 Gen 4 9mm (21.7 oz.), 27 .40S&W (21.8 oz.), 27 Gen 4 .40S&W (219 oz.), 29 10mm (27 oz.), 29 SF 10mm (27.4 oz.), 30 SF .45ACP (26.5 oz.), 30 .45ACP (26.5 oz.), 31 .357Sig (26 oz.), 31 Gen 4 .357 (26.3 oz.), 32 .357Sig (24 oz.), 33 .357Sig (22 oz.), 34 9mm (26 oz.), 34 Gen 4 9mm 5.32 Barrel (26 oz.), 35 .40 S&W (27.6 oz.), 35 Gen 4 .40S&W (27.3 oz.), 36 .45 ACP (22.5 oz.), 37 .45 GAP (26 oz.), 37 Gen 4 (28.9 oz.), 38 .45 GAP (26.8 oz.), 39 .45 GAP (21.8 oz.)
(L models are not approved) C models are allowed providing that the barrel is non-ported and the other requirements are met. Short Frame (SF) versions of models approved.