1 & 2" grains use stated throats and delays no exceptions. 24mm is hypercritical. Power Caselength Linerlength Grains Grains2 20 2-7/16 1-5/8 1x1 40 3-7/16 2-5/8 1x2 2x1 60 4-7/16 3-5/8 1x2, 1x1 3x1 80 5-7/16 4-5/8 2x2 4x1 120 7-7/16 6-5/8 3x2 6x1 160 9-7/16 8-5/8 4x2 200 11-7/16 10-5/8 5x2 240 13-7/16 12-5/8 6x2 Delays and throats 24mm reload - 2" grain 24mm 40 FS/WS/SD=7 F/STD= 9 BK=8 (1) 24mm 80 FS/WS/SD=10 F/STD= 12 BK=11 (2) 24mm 120 FS=12 WS/SD=13 F/STD=15 BK=14 (3) 24mm 160 FS=14 WS/SD=15 F/STD=17 BK=16 (4) 24mm 200 FS/WS/SD=16 F/STD=19 BK=18 (5) 24mm 240 FS=19 WS/SD=20 F/STD= 23 BK=22 (6) 24mm reload - 1" grain 24mm 20 FS/WS/SD=6 F/STD=7 BK=7 (1) 24mm 40 FS/WS/SD=8 F/STD=10 BK=9 (2) 24mm 60 FS/WS/SD=10 F/STD=12 BK=11 (3) 24mm 80 FS=11 WS/SD=12 F/STD= 14 BK=13 (4) 24mm 120 FS=17 WS/SD=18 F/STD=21 BK=19 (6) 24mm 8 sec FS 65 WS 75 20mm SD 75 STD 50 D8=60-65 4=40 F 45 BLU 45 BK 40