Underwood Ammo Xtreme Penetrator Nickel Plated Brass .357 Mag 140 Grain 20-Rounds Solid Monolithic

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$40.69 20 rounds · $2.0345/rd

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Cheaper Offer Available

BattleHawk Armory lists a matched offer at $38.66, $2.03 (5%) less than this listing's $40.69.

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Against lowest Matches lowest seen

Data depth 2 days, 0 price changes

Only a few days tracked. Set an alert rather than trusting this yet.

The advertised price has held at $40.69 since tracking began on Oct 19, 2026; no price changes recorded.

6 retailers list Underwood Ammo 836 Xtreme Penetrator .357 Magnum 140gr; 6 in stock, in-stock prices run $38.66 to $48.99.