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Finally got a chance to chronograph some of the loads I've been working on for my Springer Precision Open Gun. It's Bar-Sto Barrel has a pretty short throat so I can't load very long. I'm fine with that since I'm not interested in shooting 9mm Major loads anyway (for now!)
Bullet: Winchester 115 gr. JHP
Powder: Winchester WSF 5.7 grs.
Primer: Federal 100
Case: Federal
LOAL: 1.115 (.839 with Stoney Point)
Avg. Vel.: 1260.13 fps
ES: 21.16
SD: 7.93
Comments: Very accurate! Functioned 100%. Primers look like those from a +P factory load – no pierced primers or primer leakage.
Bullet: Winchester 115 gr. JHP
Powder: Hodgdon HS-6 7.3 grs.
Primer: Federal 100
Case: Federal
LOAL: 1.115 (.839 with Stoney Point)
Avg. Vel.: 1357.84 fps
ES: 32.87
SD: 11.00
Comments: Primers show some flattening but no pierced primers or leakage. Cases eject same distance as a factory load before compensator installation (about 5 feet, right and rear).
Bullet: Montana Gold 124 gr. JHP
Powder: Winchester WSF 4.65 grs.
Primer: Federal 100
Case: Federal
LOAL: 1.075 (.812 with Stoney Point)
Avg. Vel.: 1099.55 fps
ES: 23.04
SD: 9.64
Comments: Very mild, more dot bounce than heavier loads.
Bullet: Montana Gold 124 gr. JHP
Powder: IMR SR-4756 5.0 grs.
Primer: Federal 100
Case: Federal
LOAL: 1.075 (.812 with Stoney Point)
Avg. Vel.: 1010.35 fps
ES: 42.57
SD: 18.45
Comments: Extremely mild, cases almost falling at feet
Having a lot of fun with this tricked out gun!
Bullet: Winchester 115 gr. JHP
Powder: Winchester WSF 5.7 grs.
Primer: Federal 100
Case: Federal
LOAL: 1.115 (.839 with Stoney Point)
Avg. Vel.: 1260.13 fps
ES: 21.16
SD: 7.93
Comments: Very accurate! Functioned 100%. Primers look like those from a +P factory load – no pierced primers or primer leakage.
Bullet: Winchester 115 gr. JHP
Powder: Hodgdon HS-6 7.3 grs.
Primer: Federal 100
Case: Federal
LOAL: 1.115 (.839 with Stoney Point)
Avg. Vel.: 1357.84 fps
ES: 32.87
SD: 11.00
Comments: Primers show some flattening but no pierced primers or leakage. Cases eject same distance as a factory load before compensator installation (about 5 feet, right and rear).
Bullet: Montana Gold 124 gr. JHP
Powder: Winchester WSF 4.65 grs.
Primer: Federal 100
Case: Federal
LOAL: 1.075 (.812 with Stoney Point)
Avg. Vel.: 1099.55 fps
ES: 23.04
SD: 9.64
Comments: Very mild, more dot bounce than heavier loads.
Bullet: Montana Gold 124 gr. JHP
Powder: IMR SR-4756 5.0 grs.
Primer: Federal 100
Case: Federal
LOAL: 1.075 (.812 with Stoney Point)
Avg. Vel.: 1010.35 fps
ES: 42.57
SD: 18.45
Comments: Extremely mild, cases almost falling at feet
Having a lot of fun with this tricked out gun!
