Caliber Bullet Diameter Neck Diameter Shoulder Diameter Base Diameter Rim Diameter Rim Thickness Case Length Overall Length

17 Caliber
17 Fireball 0.1720 0.2060 0.3673 0.3769 1.4200
17 HM-2 0.1720 0.1800 0.2260 0.2260 0.2750 0.7140 1.0000
17 HMR 0.1790 0.1900 0.2380 0.2380 0.2860 1.0580 1.3490
17 Remington 0.1720 0.1990 0.3560 0.3760 0.3780 0.0450 1.7960 2.1500

20 Caliber
20 Practical 0.2045 0.2330 0.3600 0.3743 0.3773 1.7740 1.9930
20 Vartarg 0.2040 0.2330 0.3610 0.3760 0.3780 0.0450 1.3950 1.8550
20 Tactical 0.2040 0.2330 0.3610 0.3760 0.3780 1.7600 2.1300
204 Ruger 0.2040 0.2311 0.3598 0.3764 0.3780 0.0449 1.8500 2.2598

22 LR
22 LR Sporting 0.2255 0.2260 0.2780 0.2260 0.6130 1.0000
22 LR Bentz 0.2230 0.2260 0.2260 0.2780 0.0430 0.6130 1.0000

22 LR Short
22 Centerfire

22 Magnum
22 Winchester Magnum 0.2240 0.2420 0.2420 0.2940 0.0500 1.0550 1.3500
218 Bee 0.2240 0.2420 0.3290 0.3490 0.4080 0.0650 1.3450
221 Remington Fireball 0.2240 0.2530 0.3610 0.3760 0.3780 0.0450 1.4000 1.8300
223 Remington .224 Neck
220 Swift 0.2240 0.2600 0.4020 0.4450 0.4730 2.2050 2.680, 2.580 H.P. Bullets
22 BR 0.2240 0.2460 0.4580 0.4670 0.4730 1.5200
22 Hornet 0.2240 0.2430 0.2760 0.2980 0.3500 0.0650 1.4030
22 PPC 0.2240 0.2450 0.4300 0.4400 0.4410 0.0500 1.5200 1.9600
222 Remington 0.2240 0.2530 0.3570 0.3760 0.3780 0.0450 1.7000 2.1300
22-243 Middlestead
22-250 Ackley Improved 0.2240 0.2530 0.4450 0.4660 0.4700 0.0450 1.9100
22-250 Remington Match
223 Ackley Improved 0.2240 0.2500 0.3650 0.3750 0.3780 0.0410 1.7600
223 Remington 0.2240 0.2530 0.3540 0.3760 0.3780 0.0450 1.7600 2.2600
223 Wylde 0.2558 0.3572 0.3810
225 Winchester 0.2240 0.2600 0.4060 0.4220 0.4730 0.0450 1.9300 2.5000
5.56 NATO 0.2240 0.2530 0.3540 0.3770 0.3780 0.0450 1.7600 2.2600

243/6mm
243 Ackley Improved 0.2430 0.2750 0.4570 0.4700 0.4670 0.0450 2.0450 2.8000
243 Winchester 0.2430 0.2760 0.4540 0.4710 0.4730 2.0450 2.7098
244 Ackley Improved 0.2430 0.2740 0.4570 0.4700 0.4700 0.4800 2.2300 2.8000
6mm Remington 0.2435 0.2760 0.4290 0.4710 0.4610 2.2330 2.8250
6mm-06 0.2430 0.2740 0.4410 0.4700 0.4670 0.0450 2.4940 3.3400
6mm-222
6mm-284 Winchester 0.2840 0.3200 0.4750 0.5010 0.4730 0.0400 2.1700 2.8000
6mm BR 0.2430 0.2700 0.4580 0.4730 1.5600
6mm BR Norma 0.2430 0.2710 0.4580 0.4690 0.4700 0.0510 1.5600 2.4400
6mm BR-X
6mm Dasher 0.2240 0.2710 0.4620 0.4700 0.4700 0.0500 1.5400
6mm PPC 0.2430 0.2620 0.4310 0.4410 0.4450 1.5150 2.1000
6mm x 45
6mm XC 0.2430 0.2690 0.4500 0.4660 0.4670 0.0480 1.8900 2.5000
6 x 47 Lapua

25 Caliber
250 Savage 0.2570 0.2860 0.4130 0.4680 0.4700 0.0450 1.9100 2.5200
25-06 0.2570 0.2910 0.4410 0.4700 0.4730 0.0490 2.4940 3.2500
257 Roberts Ackley Improved 0.2570 0.2900 0.4550 0.4710 0.4730 0.0490 2.2330 2.7750
257 Roberts 0.2570 0.2900 0.4300 0.4720 0.4730 2.2330 2.7750
257 Weatherby Magnum 0.2570 0.2830 0.4920 0.5120 0.5315 0.0510 2.5450 3.2090

6.5mm Caliber
26 Nosler 0.2645 0.2970 0.5275 0.5500 0.5340 0.0500 2.5900 3.3400
260 Remington Ackley Improved
260 Remington 0.2640 0.2969 0.4539 0.4705 0.4728 0.0539 2.0350 2.8000
264 Winchester Magnum 0.2640 0.2990 0.4910 0.5150 0.5320 2.5000 3.3400
264 LBC-AR
6.5 Creedmoor 0.2645 0.2969 0.4590 0.4700 0.4728 0.0539 1.9200 2.8200
6.5 RSAUM
6.5 STW
6.5 Super LR/S
6.5 WSM
6.5-06 A-Square 0.2650 0.2960 0.4425 0.4698 0.4730 0.0340 2.4940 3.4400
6.5-06 Ackley Improved
6.5-284 0.2640 0.2950 0.4750 0.5000 0.4730 2.1700
6.5-284 Norma 0.2640 0.2970 0.4750 0.5000 0.4700 0.0510 2.1700 3.2300
6.5-300 Winchester Magnum
6.5 x 47 Lapua 0.2640 0.2920 0.4540 0.4700 0.4730 0.0540 1.9000
6.5 x 55 Swede 0.2640 0.2970 0.4350 0.4770 0.4790 0.0510 2.1650 3.1500
6.5 TCU

270 Caliber
270 Weatherby Magnum 0.2770 0.3030 0.4920 0.5120 0.5310 0.2200 2.5500 3.2500
270 Winchester 0.2770 0.3080 0.4410 0.4700 0.4730 2.5400 3.3400
270 WSM 0.2770 0.3140 0.5381 0.5550 0.5350 0.0540 2.1000 2.8600
6.8 SPC .050 FB
6.8 Remington SPC II 0.2770 0.2980 0.4020 0.4210 0.4220 0.0490 1.6670 2.260-2.300

7mm Caliber
280 Ackley 0.2840 0.3150 0.4410 0.4700 0.4730 2.5400 3.3300
280 Remington 0.2840 0.3150 0.4410 0.4700 0.4730 2.5400 3.3300
284 Winchester 0.2840 0.3200 0.4750 0.5010 0.4730 0.0400 2.1700 2.8000
284 Win Gap
7mm RUM 0.2840 0.3170 0.5250 0.5500 0.5320 2.8500 3.6000
7mm TCU 0.2840 0.3020 0.3500 0.3730 0.3750 0.0410 1.7400 2.2800
7mm Dakota 0.2840 0.3140 0.5310 0.5440 0.5440 0.0420 2.5000 3.3300
7mm Remington Magnum 0.2840 0.3150 0.4910 0.5120 0.5320 2.5000 3.2900
7mm RSAUM 0.2840 0.3200 0.5347 0.5357 0.5340 0.0500 2.0350
7mm STW 0.2840 0.3150 0.4868 0.5126 0.5320 0.2200 2.8500 3.6000
7mm WSM 0.2840 0.3210 0.5380 0.5550 0.5350 2.1000
7mm-08 Remington 0.2840 0.3150 0.4540 0.4700 0.4730 0.0500 2.0350 2.8000
7mm-30 Waters 0.2840 0.3060 0.3990 0.4215 0.5060 0.0580 2.0400 2.5200
7mm BR 0.2840 0.3090 0.4600 0.4700 0.4730 0.0540 1.5200
7 x 57 Mauser 0.2850 0.3250 0.4300 0.4730 0.4760 0.0450 2.2440 3.0710
7 x 64 Brenneke 0.2850 0.3130 0.4250 0.4670 0.4700 0.0510 2.5200 3.3070

30 Caliber
30 Remington AR 0.3080 0.4210 0.4220 0.0450 1.5300 2.2600
30-06 Springfield 0.3080 0.3400 0.4410 0.4710 0.4730 0.0490 2.4940 3.3400
300 AAC Blackout 0.3080 0.3340 0.3760 0.3780 1.3680 2.2600
300 H&H Magnum 0.3090 0.3380 0.4500 0.5130 0.5320 0.2200 2.8500 3.6000
300 Remington Ultra Magnum Match 0.3080 0.3440 0.5250 0.5510 0.5340 0.0500 2.8500 3.6000
300 Winchester Magnum 0.3080 0.3390 0.4890 0.5320 0.5320 0.0490 2.6200 3.3400
300 WSM 0.3080 0.3440 0.5380 0.5550 0.5350 2.1000 2.8600
300 Weatherby Magnum 0.3080 0.3360 0.4920 0.5120 0.5310 2.8250 3.5620
30-221 Fireball
308 Winchester 0.3080 0.3433 0.4539 0.4709 0.4728 0.0539 2.0150 2.8000
30-378 Weatherby 0.3080 0.3370 0.5610 0.5820, 0.6040 0.5790 0.0630 2.9130 3.6480
30-40 KRAG 0.3080 0.3380 0.4230 0.4570 0.5450 0.0640 2.3140 3.0890
7.62 x 51 NATO 0.3080 0.3450 0.4540 0.4700 0.4730 0.0500 2.0150 2.7500
7.82 Warbird 0.3080 0.3400 0.5570 0.5770 0.5770 0.0600 2.8000 3.6000

302 Caliber
7.62 x 25 Tokarev 0.3100 0.3340 0.3730 0.3870 0.3920 0.0520 0.9800 1.3400
7.62 x 54R 0.3120 0.3360 0.4570 0.4870 0.5670 0.0630 2.1150 3.0380
7.62 x 39 0.3120 0.3390 0.3960 0.4470 0.4470 0.0590 1.5240 2.2050
7.62 x 39 Match

303 Caliber
303 British 0.3120 0.3400 0.4010 0.4600 0.5400 0.0640 2.2220 3.0750
7.62 x 54R 0.3120 0.3360 0.4570 0.4870 0.5670 0.0630 2.1150 3.0380
7.62 x 39 Match

32 Caliber
32 Winchester Special 0.3210 0.3430 0.4010 0.4220 0.5060 0.0630 2.0400 2.5650

8mm Caliber
325 WSM 0.3230 0.3500 0.5380 0.5550 0.5350 2.1000 2.8600
8 x 57 Mauser 0.3180 0.3500 0.4350 0.4700 0.4730 2.2400 3.1700

338 Caliber
340 Weatherby Magnum 0.3380 0.3660 0.4950 0.5130 0.5300 0.0480 2.8200 3.6000
338 Edge 0.3380 0.3710 0.5250 0.5500 0.5340 2.8500 3.6000
338 Edge Match
338 Federal 0.3380 0.3690 0.4540 0.4700 0.4730 0.0490 2.0100 2.7500
338 Lapua Magnum 0.3380 0.3720 0.5440 0.5870 0.5880 0.0600 2.7240 3.6810
338 Remington Ultra Magnum 0.3380 0.3710 0.5261 0.5500 0.5340 2.7600 3.6000
338 Winchester Magnum 0.3380 0.3690 0.4910 0.5130 0.5320 2.5000 3.3400
338-378 Weatherby Magnum 0.3380 0.3700 0.5610 0.5820, 0.6040 0.5790 0.0630 2.9130 3.7630
338-06 Ackley
338-06 A-Square 0.3380 0.3690 0.4410 0.4720 0.4730 2.4940 3.3700

35 Caliber
35 Whelen 0.3580 0.3850 0.4410 0.4720 0.4730 2.4940 3.3400
358 Norma Magnum 0.3590 0.3880 0.4900 0.5130 0.5310 2.5200 3.3460
358 Winchester 0.3580 0.3880 0.4540 0.4700 0.4730 0.0540 2.0150 2.7800

375 Caliber
375 H&H Magnum 0.3750 0.4040 0.4480 0.5130 0.5320 0.0500 2.8500 3.6000
375 Ultra
375 Ruger 0.3750 0.4050 0.5150 0.5320 0.5320 0.0500 2.5800 3.3400
38-55 Winchester 0.3775 0.3920 0.4210 0.5060 2.0850 2.5100
38-72 Winchester 0.3780 0.3970 0.4270 0.4610 0.5190 2.5800 3.1600

9mm Caliber
380 ACP
9mm Luger 0.3550 0.3800 0.3910 0.3920 0.0500 0.7540 1.1690
9mm Parabellum 0.3550 0.3800 0.3910 0.3920 0.0500 0.7540 1.1690

9.3 Caliber
9.3 x 62 0.3700 0.3900 0.4500 0.4800 0.4700 0.0510 2.4400 3.2900

405 Caliber
405 Winchester 0.4115 0.4360 0.4610 0.5430 2.5830 3.1750

416 Caliber
416 Barrett 0.4160 0.4650 0.7320 0.7970 3.2700 4.5800
416 Remington Magnum 0.4160 0.4470 0.4870 0.5130 0.5320 0.2200 2.8500 3.6000
416 Taylor 0.4160 0.4470 0.4910 0.5120 0.5320 0.0500 2.5000 3.3400

44 Caliber
44 Remington Magnum 0.4290 0.4570 0.4570 0.5140 0.0600 1.2850 1.6100

45 Pistol Caliber
45 ACP .451 jacketed, .452 lead/plated 0.4730 0.4760 0.4800 0.0490 0.8980 1.2750

458 Caliber
458 Winchester Magnum 0.4580 0.4810 0.5130 0.5320 0.2200 2.5000 3.3400
458 Lott 0.4580 0.4810 0.5130 0.5320 0.0500 2.8000
458 SOCOM 0.4580 0.4850 0.5310 0.5410 0.4730 0.0410 1.5750 2.2600
45-70 Government 0.4580 0.4800 0.5050 0.6080 0.0700 2.1050 2.5500

50 Pistol Caliber
500 S & W
500 A Square 0.5100 0.5360 0.5680 0.5820 0.6030 0.0590 2.9000 3.7400

50 Caliber
50 BMG 0.5100 0.5600 0.7140 0.8040 0.8040 0.0830 3.9100 5.4500