{"product_id":"underwood-ammo-xtreme-penetrator-10mm-auto-140-gr-solid-monolithic-box-or-case","title":"Underwood Ammo Xtreme Penetrator 10mm Auto 140 gr Solid Monolithic - Box or Case","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eUnderwood Ammo Xtreme Penetrator\u003c\/span\u003e\u003c\/strong\u003e in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e10mm Auto\u003c\/span\u003e\u003c\/strong\u003e is a hard-hitting hunting and self-defense load built around a \u003cstrong\u003e140 gr\u003c\/strong\u003e \u003cstrong\u003eSolid Monolithic\u003c\/strong\u003e bullet machined from solid copper. Rated for \u003cstrong\u003emedium-large game\u003c\/strong\u003e, this round is designed for deep penetration and is equally at home on a hunt or carried for personal defense.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003ePushing the bullet to a \u003cstrong\u003e1500 fps\u003c\/strong\u003e muzzle velocity and delivering \u003cstrong\u003e700 ft lbs\u003c\/strong\u003e of muzzle energy, the Xtreme Penetrator sits firmly in the \u003cstrong\u003esupersonic\u003c\/strong\u003e class and runs cleanly in modern 10mm Auto pistols. The \u003cstrong\u003esolid copper\u003c\/strong\u003e monolithic construction eliminates jacket-core separation, while the bullet's engineered nose profile is built for consistent terminal performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEach round is loaded into premium \u003cstrong\u003enickel-plated brass\u003c\/strong\u003e cases and assembled to tight tolerances on Underwood's production line, delivering a clean-shooting, accurate \u003cstrong\u003e10mm Auto\u003c\/strong\u003e load for shooters who want repeatable results from their handgun.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eYour purchase options:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eBox - 20 Rounds:\u003c\/strong\u003e One factory box containing 20 rounds.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eCase - 200 Rounds (10 Boxes):\u003c\/strong\u003e A full case of 200 rounds, packaged as ten individual 20-round boxes.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Underwood Ammo","offers":[{"title":"Box - 20 Rounds","offer_id":55046976110914,"sku":"177847BOX","price":37.99,"currency_code":"USD","in_stock":true},{"title":"Case - 200 Rounds (10 Boxes)","offer_id":55046976143682,"sku":"177847CASE","price":367.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_3f3f2429-761b-48f2-81d0-e51daa076651.png?v=1784699617","url":"https:\/\/centerfiresystems.com\/products\/underwood-ammo-xtreme-penetrator-10mm-auto-140-gr-solid-monolithic-box-or-case","provider":"Centerfire Systems","version":"1.0","type":"link"}