Some implementations of .300 Whisper meet the SAAMI specifications for 300 AAC Blackout
.300 Whisper: * * * * * * * * * * * * * * * * .300 AAC Blackout:
Parent case .221 Fireball/.223 Rem * * * * * * * Parent case 221 Fireball/.223 Rem
Bullet diameter 0.308 in (7.8 mm) * * * * * * * * Bullet diameter 0.308 in (7.8 mm)
Neck diameter 0.330 in (8.4 mm) * * * * * * * * Neck diameter 0.334 in (8.5 mm)
Shoulder diameter 0.369 in (9.4 mm)
Base diameter 0.375 in (9.5 mm)
Rim diameter 0.375 in (9.5 mm)
Rim thickness 0.041 in (1.0 mm)
Case length 1.35 in (34 mm) * * * * * * * * * * Case length 1.368 in (34.7 mm)
Overall length 2.10 in (53 mm) * * * * * * * * Overall length 2.26 max SAAMI
Rifling twist 1/8 * * * * * * * * * * * * * * * * * * Rifling twist 1:7
* * * * ** * * * * * * * * * * * * * * * * * * * * * * * Max.Pressure 55,000 psi (380 MPa)
Grüße
Sandman
