{"product_id":"hsm-cowboy-action-357-mag-158gr-semi-wadecutter-50rds","title":"357 Magnum HSM Cowboy Action 825 fps 158 Grain SWC 50 Rounds","description":"\u003cp\u003eThe HSM Cowboy Action .357 Magnum delivers authentic, competition-ready performance tailored for cowboy action shooting, single-action revolvers, and traditional lever-action rifles. This load features a \u003cstrong\u003e158-grain semi-wadcutter (SWC)\u003c\/strong\u003e lead bullet with a flat-nose, full-diameter design optimized for clean, round holes in paper targets, excellent ballistic consistency, and superior accuracy at cowboy action distances.\u003c\/p\u003e\u003cp\u003eFrom a standard test barrel, this ammunition achieves a muzzle velocity of \u003cstrong\u003e800–850 fps\u003c\/strong\u003e (typically ~825 fps), producing \u003cstrong\u003e225–250 ft-lbs\u003c\/strong\u003e of muzzle energy for very light recoil, flat trajectories, and manageable follow-up shots — perfect for fast, precise shooting in timed stages. The soft lead semi-wadcutter profile minimizes barrel leading when used in properly maintained firearms and provides reliable feeding in both revolvers and lever guns.\u003c\/p\u003e\u003cp\u003eBrass-cased with non-corrosive Boxer primers and clean-burning, low-flash propellant, these rounds ensure consistent ignition, smooth cycling, and excellent shot-to-shot uniformity. 50 rounds per box.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaliber: .357 Magnum | Bullet: 158gr SWC | Velocity: ~825 fps | ~238 ft-lbs\u003c\/li\u003e\n\u003cli\u003eLow recoil, flat trajectory, reliable feeding in revolvers and lever guns\u003c\/li\u003e\n\u003cli\u003eSASS competition, cowboy action shooting, plinking\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAvailable in store at Glenwood Springs Outdoors, 831 Grand Ave, Glenwood Springs, CO.\u003c\/p\u003e","brand":"HSM","offers":[{"title":"Default Title","offer_id":53216512967022,"sku":null,"price":41.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0945\/1090\/7758\/files\/HSMCowboyAction357Mag158grSemiWadcutter_51588a5a-9ea2-47e0-8a7e-b89fde6f6212.jpg?v=1768848158","url":"https:\/\/www.glenwoodspringsoutdoors.com\/products\/hsm-cowboy-action-357-mag-158gr-semi-wadecutter-50rds","provider":"Glenwood Springs Outdoors","version":"1.0","type":"link"}