--- title: "PRO MAG Glock 21/30 45 ACP 40rd Drum Black Polymer" canonical_url: "https://www.kygunco.com/product/pro-mag-drm-a37-glock-21-30-45-acp-40rd-drum-black-polymer" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/219118/thumbnail.jpg?v=1713455224" "og:image:height": "500" "og:image:width": "500" "og:title": "PRO MAG Glock 21/30 45 ACP 40rd Drum Black Polymer" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Magazines](https://www.kygunco.com/category/shooting/gun-parts/magazines) / [Rifle Magazines](https://www.kygunco.com/category/shooting/gun-parts/magazines/rifle-magazines) / PRM-DRM-A37 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/219118/main.jpg?v=1713455224) For illustration purposes only, this image may not be an exact representation of the product. # PRO MAG Glock 21/30 45 ACP 40rd Drum Black Polymer $77.61 ** 5 interest-free payments of **$15.52** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Item # 219118 Style PRM-DRM-A37 UPC 708279014963 Condition New Manufacturer [ProMag](https://www.kygunco.com/brand/pro-mag) Caliber 45 ACP Weight 1 lb This drum replacement or spare magazine is compatible with your Glock G21, G30. It is constructed of DuPont Zytel polymer with injection molded mag follower and mag spring formed from chrome silicone wire. Made in the USA. - Caliber: 45 ACP - Capacity: 40rd - Model: OEM - Material: DuPont Zytel Polymer - Model Fit: G30 - Brand Fit: Glock ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from ProMag ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/pro-mag-drm-a37-glock-21-30-45-acp-40rd-drum-black-polymer#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"PRO MAG Glock 21/30 45 ACP 40rd Drum Black 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