{"product_id":"promag-drma37-standard-45-acp-40-rd-drum-magazine-for-glock-21-30-black-polymer","title":"ProMag DRMA37 Standard 45 ACP 40-Rd Drum Magazine for Glock 21\/30 Black Polymer","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eProMag DRMA37\u003c\/span\u003e\u003c\/strong\u003e is a high-capacity \u003cstrong\u003e40-round drum magazine\u003c\/strong\u003e built for \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.45 ACP\u003c\/span\u003e\u003c\/strong\u003e \u003cstrong\u003eGlock 21\u003c\/strong\u003e and \u003cstrong\u003eGlock 30\u003c\/strong\u003e pistols. The drum format dramatically extends the firepower of a standard Glock duty or carry pistol, making it a natural fit for range sessions, competition shooting, and high-round-count training drills where constant reloading slows you down.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe drum housing is molded from a proprietary \u003cstrong\u003eDuPont Zytel polymer\u003c\/strong\u003e in \u003cstrong\u003eblack\u003c\/strong\u003e, giving the magazine a lightweight yet impact-resistant body that matches the look of factory Glock magazines. Internally, the DRMA37 uses a magazine spring and an \u003cstrong\u003einjection-molded follower\u003c\/strong\u003e for smooth, consistent feeding. The drum installs into the Glock magwell like a standard double-stack box magazine, so no pistol modification is required.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eProMag is an established aftermarket magazine maker, and the DRMA37 gives \u003cstrong\u003eGlock 21\u003c\/strong\u003e and \u003cstrong\u003eGlock 30\u003c\/strong\u003e owners a dependable \u003cstrong\u003e40-round drum\u003c\/strong\u003e option in \u003cstrong\u003e.45 ACP\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"ProMag","offers":[{"title":"Default Title","offer_id":55109643600194,"sku":"133087","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_b7ab7727-46d9-442f-bf8b-80e80638750a.png?v=1784803077","url":"https:\/\/centerfiresystems.com\/products\/promag-drma37-standard-45-acp-40-rd-drum-magazine-for-glock-21-30-black-polymer","provider":"Centerfire Systems","version":"1.0","type":"link"}