' BOXES PER CASE: 10 BRAND: WINCHESTER BRAND FAMILY: BALLISTIC SILVERTIP BULLET TYPE: JHP CA PROP 65: YES CALIBER: 22 WMR CASE MATERIAL: BRASS CASE PACK: BOXED COMPLIANCE ITEM TYPE: RIMFIRE AMMO ENERGY: 155 FT-LBS GRAIN: 40 GR LEAD FREE: NO PACKAGE/PACKING: BOX PRIMER: RIMFIRE RELOADABLE CASE: NO ROUNDS: 50 VELOCITY: 1320 FPS