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8mm Mauser / 8x57mm Mauser / 8x57mm JS Mauser (A-Square Data)

Warning! Notes: groove diameter: .323"; bore diameter: .311"; twist: 9.5" RH; barrel length: 26"; cartridge case: A-Square; primers: CCI-200; trim to length: 2.235"; powder compression: yes, with heavy bullets and slow powders; crimp: yes, if bullet has cannelure, roll crimp .003" to .008"; other: use long drop tube if necessary; bullet diameter: .323"; pressure measured by: Piezo Transducer (ANY SHOT YOU WANT - A-Square)

Be Alert: Publisher cannot be responsible for errors in published load data.

Wt.	Bullet	Powder Manufacturer	Powder	Charge	Velocity (FPS)
175	Sierra Spitzer Boat Tail	Hodgdon	H-414	Subscribe	2374
Remarks: 24,800 psi
175	Sierra Spitzer Boat Tail	Hodgdon	H-414	Subscribe	2499
Remarks: 26,400 psi
175	Sierra Spitzer Boat Tail	IMR	IMR-4064	Subscribe	2246
Remarks: 25,200 psi
175	Sierra Spitzer Boat Tail	IMR	IMR-4064	Subscribe	2508
Remarks: 32,400 psi
175	Sierra Spitzer Boat Tail	IMR	IMR-4064	Subscribe	2614
Remarks: 38,700 psi; this load exceeds allowable maximum average pressure
175	Sierra Spitzer Boat Tail	Alliant	RL-15	Subscribe	2320
Remarks: 25,400 psi
175	Sierra Spitzer Boat Tail	Alliant	RL-15	Subscribe	2498
Remarks: 32,100 psi
220	A-Square Monolithic Solid	Hodgdon	H-4831	Subscribe	2051
Remarks: 22,900 psi
220	A-Square Monolithic Solid	Hodgdon	H-4831	Subscribe	2300
Remarks: 35,100 psi; this load exceeds allowable maximum average pressure
220	A-Square Monolithic Solid	IMR	IMR-4831	Subscribe	2063
Remarks: 26,300 psi
220	A-Square Monolithic Solid	IMR	IMR-4831	Subscribe	2263
Remarks: 35,500 psi; this load exceeds allowable maximum average pressure
220	A-Square Monolithic Solid	IMR	IMR-4831	Subscribe	2312
Remarks: 36,200 psi; this load exceeds allowable maximum average pressure
220	A-Square Monolithic Solid	Alliant	RL-19	Subscribe	1941
Remarks: 22,900 psi
220	A-Square Monolithic Solid	Alliant	RL-19	Subscribe	2138
Remarks: 29,700 psi
220	A-Square Monolithic Solid	Alliant	RL-19	Subscribe	2304
Remarks: 35,500 psi; this load exceeds allowable maximum average pressure