Brass Range
Browse our brass ammunition range here
5.56 x 45mm
NAto
Parent case.223 Remington (M193)Case typeRimless tapered, bottleneckBullet diameter5.70 mm (0.224 in)Land diameter5.56 mm (0.219 in)Neck diameter6.43 mm (0.253 in)Shoulder diameter9.00 mm (0.354 in)Base diameter9.58 mm (0.377 in)Rim diameter9.60 mm (0.378 in)Rim thickness1.14 mm (0.045 in)Case length44.70 mm (1.760 in)Overall length57.40 mm (2.260 in)Case capacity1.85 cm3 (28.5 gr H2O)Rifling twist178 mm (1 in 7 in) or 229 mm (1 in 9 in)Primer typeSmall rifleMaximum pressure (EPVAT)430.00 MPa (62,366 psi)Maximum pressure (SCATP 5.56)380.00 MPa (55,114 psi)
Parent caseT-65 experimental cartridge series (derived from the .300 Savage and .30-06 Springfield)Case typeRimless, bottleneckBullet diameter0.308 in (7.82 mm)Land diameter0.300 in (7.62 mm)Neck diameter0.345 in (8.8 mm)Shoulder diameter0.454 in (11.5 mm)Base diameter0.470 in (11.9 mm)Rim diameter0.473 in (12.0 mm)Rim thickness0.050 in (1.3 mm)Case length2.015 in (51.2 mm)Overall length2.800 in (71.1 mm)Rifling twist1 in 12 in (304.8 mm)Primer typeBerdan or Large rifleMaximum pressure (NATO EPVAT)60,191 psi (415.00 MPa)
7.62 x 51mm
.223 cal
Parent case.222 RemingtonCase typeRimless, bottleneckBullet diameter0.224 in (5.7 mm)Neck diameter0.253 in (6.4 mm)Shoulder diameter0.354 in (9.0 mm)Base diameter0.376 in (9.6 mm)Rim diameter0.378 in (9.6 mm)Rim thickness0.045 in (1.1 mm)Case length1.76 in (45 mm)Overall length2.26 in (57 mm)Case capacity28.8 grain H2O (1.87 ml)Rifling twist1 in 12 inch (military-style rifles use 1:7 to 1:10 to stabilize longer bullets)Primer typeSmall rifleMaximum pressure (SAAMI)55,000 psi (380 MPa)Maximum pressure (CIP)62,366 psi (430.00 MPa)Maximum CUP52000 CUP
Parent case.221 Fireball/.223 RemingtonCase typeRimless, bottleneckBullet diameter0.308 in (7.8 mm)Neck diameter0.334 in (8.5 mm)Base diameter0.376 in (9.6 mm)Rim diameter0.378 in (9.6 mm)Case length1.368 in (34.7 mm)Overall length2.26 in (57 mm)Rifling twist1-8″ (203 mm)Primer typeSmall rifleMaximum pressure (SAAMI)55,000Maximum pressure (CIP)56,565Maximum CUP52,000 CUP
.300
Blackout
Parent case7.65×21mm ParabellumCase typeRimless, taperedBullet diameter9.01 mm (0.355 in)Land diameter8.82 mm (0.347 in)Neck diameter9.65 mm (0.380 in)Base diameter9.93 mm (0.391 in)Rim diameter9.96 mm (0.392 in)Rim thickness1.27 mm (0.050 in)Case length19.15 mm (0.754 in)Overall length29.69 mm (1.169 in)Case capacity0.862 cm3 (13.30 gr H2O)Primer typeBerdan or Boxer small pistolMaximum pressure (CIP)235.00 MPa (34,084 psi)Maximum pressure (SAAMI)241.3165 MPa (35,000.00 psi)
9mm
PARABELLUM
.380 cal
Case typeRimless, straightBullet diameter.355 in (9.0 mm)Land diameter.348 in (8.8 mm)Neck diameter.373 in (9.5 mm)Base diameter.374 in (9.5 mm)Rim diameter.374 in (9.5 mm)Rim thickness.045 in (1.1 mm)Case length.680 in (17.3 mm)Overall length.984 in (25.0 mm)Maximum pressure21,500 psi (148 MPa)
Parent case10mm AutoCase typeRimless, straightBullet diameter.400 in (10.2 mm)Neck diameter.423 in (10.7 mm)Base diameter.424 in (10.8 mm)Rim diameter.424 in (10.8 mm)Rim thickness.055 in (1.4 mm)Case length.850 in (21.6 mm)Overall length1.135 in (28.8 mm)Case capacity19.3 gr H2O (1.25 cm3)Rifling twist1 in 16 in. (406 mm)Primer typeSmall pistolMaximum pressure35,000 psi (240 MPa)
.40 cal
S&W
.45 cal
acp
Case typeRimless, straightBullet diameter.452 in (11.5 mm)Land diameter.442 in (11.2 mm)Neck diameter.473 in (12.0 mm)Base diameter.476 in (12.1 mm)Rim diameter.480 in (12.2 mm)Rim thickness.049 in (1.2 mm)Case length.898 in (22.8 mm)Overall length1.275 in (32.4 mm)Case capacity26.7 gr H2O (1.73 cm3)Rifling twist1 in 16 in (406 mm)Primer typeLarge (some makers are now using small) pistolMaximum pressure (CIP)19,900 psi (137 MPa)Maximum pressure (SAAMI)21,000 psi (140 MPa)