VersusRound17hmrvs57x28mm < Gunwiki

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	.17 HMR	5.7X28mm SS197SR
Bullet Diameter (in)	0.172	0.224
Case Diameter @ Base (in)	6.0mm, 0.238in	7.9mm, 0.311in
Overall Length (in)	34.3mm, 1.349in	40.50mm, 1.594in
Typical Bullet Weight (gn)	17 -20	40
Typical Velocity @ Muzzle (fps)	2,250-2,550 (22in barrel)	2,100 (16in barrel)
Typical Energy @ Muzzle (ft-lbf)	245-250	391
Bullet Ballistic Coefficient	.123	0.2
Typical Balistic Gel Penetration (in)	5-5.5 (Federal V-MAX)	9-10 (SS197)
Typical Expansion (in)	fragmented	0.37”

-- BenChappell - 20 Oct 2011

Topic revision: r2 - 25 Oct 2011 - SeanNewton

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