{"product_id":"underwood-ammo-xtreme-defense-10mm-auto-115gr-solid-monolithic-box-or-case","title":"Underwood Ammo Xtreme Defense 10mm Auto 115gr Solid Monolithic - Box or Case","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eUnderwood Xtreme Defense\u003c\/span\u003e\u003c\/strong\u003e load delivers deep-penetration terminal performance in the \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e10mm Auto\u003c\/span\u003e\u003c\/strong\u003e, purpose-built for \u003cstrong\u003epersonal defense\u003c\/strong\u003e. This round uses a \u003cstrong\u003e115-grain Solid Monolithic\u003c\/strong\u003e bullet driven to \u003cstrong\u003e1700 fps\u003c\/strong\u003e at the muzzle, producing \u003cstrong\u003e738 ft lbs\u003c\/strong\u003e of energy - a serious combination of mass and velocity for a semi-auto pistol cartridge.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eRather than relying on expansion, the \u003cstrong\u003eSolid Monolithic\u003c\/strong\u003e projectile uses an optimized nose flute designed to control fluid dynamics on impact. The result is deep, consistent penetration (up to 18 inches) paired with a wide permanent wound cavity along the bullet's path, giving the load a distinct approach to handgun terminal performance. Underwood rates this configuration as \u003cstrong\u003esupersonic\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEach round is assembled in a \u003cstrong\u003enickel-plated brass\u003c\/strong\u003e case for smooth feeding and corrosion resistance, making this load a reliable choice for everyday carry, home defense, and range use. Pick up a single box or stock up with a full case.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eYour purchase options:\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\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003eCase - 200 Rounds (10 Boxes)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Underwood Ammo","offers":[{"title":"Box - 20 Rounds","offer_id":55055743091010,"sku":"186130BOX","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Case - 200 Rounds (10 Boxes)","offer_id":55055743123778,"sku":"186130CASE","price":298.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/186130.png?v=1784722034","url":"https:\/\/centerfiresystems.com\/products\/underwood-ammo-xtreme-defense-10mm-auto-115gr-solid-monolithic-box-or-case","provider":"Centerfire Systems","version":"1.0","type":"link"}