Underwood 357 Sig 125gr Gold Dot Bonded (supplied by chris2000ss Feb 2019)

Started by The_Shadow, February 21 2019 10:23:43 PM MST

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The_Shadow

Cartridge is from Ammo Manufacture: Underwood 357 Sig 125gr Gold Dot Bonded (supplied by chris2000ss Feb 2019)
Ballistics Information: 357 SIG
Muzzle Velocity: 1475 fps
Muzzle Energy: 604 ft. lbs
Brass Make/Headstamp: Starline – Nickel 
Bullet Make/Weight/Construction/Info; Length 0.5270"/Dia. 0.3550": Speer 125gr. GDHP
HP depth 0.1125" / HP dia 0.2080" tapered / HP outside 0.2650"
Actual weight 123.2 / 125.0 grains (concave base)
C.O.A.L.: 1.1220" / 1.1295"  crimp groove dia: 0.3535"
Primer: Small Pistol Nickel  color
Case: Diameter 0.4215" Crimp Diameter 0.3780" (medium) Length 0.8585"
Powder Description/Positive ID/Type/Charge Weight: Accurate #7 12.2 / 12.2 grains

Western Powder shows 124 gr HDY FMJ FP max as 11.0 grains 1320 fps 37,100 PSI











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