Ruger Security-9 Magazines
Factory Ruger OEM / ProMag • Security-9 / Security-9 Compact • 9mm • 10 / 15 / 17 / 32 Round
The Ruger Security-9 — introduced at SHOT Show 2018 as Ruger's value-tier 9mm service pistol at a $379 MSRP — became one of the best-selling mid-market concealed-carry and home-defense pistols in the US. Built in Prescott, Arizona on Ruger's "Secure Action" internal-hammer platform derived from the LCP II. Keep Shooting carries the complete Security-9 magazine lineup: factory Ruger OEM 10-round Compact, 10-, 15-, and 17-round magazines including convenient 2-packs, plus the ProMag 32-round extended competition magazine.
About Ruger Security-9 Magazines at Keep Shooting
Keep Shooting carries seven magazines for the Ruger Security-9 and Security-9 Compact — factory Ruger OEM magazines in 10-, 15-, and 17-round capacities (including convenient 2-pack bundles at meaningful savings), the factory Security-9 Compact 10-round magazine for the subcompact variant, and the ProMag 32-round extended competition magazine. The Security-9 is Ruger's value-tier 9mm service pistol — manufactured in Prescott, Arizona on Ruger's "Secure Action" internal-hammer platform. For the broader Ruger magazine lineup, see our parent Ruger Magazines category, or the Ruger brand page for the full Ruger pistol, rifle, and accessory catalog.
The Ruger Security-9 was introduced at SHOT Show 2018 (December 2017 pre-announcement) as Ruger's entry into the crowded value-tier 9mm service-pistol market that had developed in the mid-2010s around the Canik TP9-series, Taurus G2C/G3, Smith & Wesson SD9, and Turkish Sar K2P — a market segment positioned below the $500 street price of full-tier Glock 19 / Sig P320 / M&P service pistols but above the Hi-Point $150–$200 budget tier. The Security-9 launched at a $379 MSRP (approximately $299 street) and rapidly became one of the best-selling mid-market 9mm pistols in the US — Ruger's answer to the "I want a real service pistol, but I don't want to pay $550" demand that had gone unmet by the established American brands.
The Security-9's engineering is unusual in the modern polymer-pistol market — it is NOT a striker-fired pistol despite looking like one. Instead, Ruger used its proprietary "Secure Action" mechanism, a hammer-fired internal-hammer action derived from the 2016 Ruger LCP II's trigger group, scaled up for service-pistol size. The internal hammer is concealed within the slide and fires on a short reset pull with pre-loaded hammer geometry — the trigger feel is similar to a striker- fired pistol but with the mechanical advantages of a hammer-fired action (more forgiving sear geometry, no half-cock striker state, no striker- block plunger). This architecture is Ruger's specific technical differentiator in a market otherwise dominated by striker-fired designs. Functionally, the pistol behaves like a striker-fired service pistol to the shooter — the internal-hammer distinction is mechanical rather than experiential.
Security-9 dimensions: 7.24 inches long, 5 inches tall, 1.02 inches wide, 23.7 ounces unloaded, with a 4-inch barrel and 15-round standard magazine. The frame is reinforced polymer with a through-hardened steel slide; controls include a manual thumb safety (one of the few polymer service pistols to include one as standard), magazine release, and slide stop. The pistol is physically close in size to a Glock 19 Gen 5 (G19 is 7.28"L × 5"T × 1.26"W × 23.63oz, 15-round standard magazine) — the Security-9 is slightly slimmer at the slide width and marginally shorter, with the same magazine capacity and weight. In a pocket-versus-pocket test, the two pistols are functionally indistinguishable for concealed-carry purposes; the price difference at retail is typically $200–$300.
The Security-9 Compact (2018 launch year, about six months after the full-size Security-9) is the subcompact variant — shortened grip, shortened slide, 10-round factory magazine. The Compact shares the Security-9 trigger group, Secure Action mechanism, and magazine-well geometry, but with a dedicated shorter magazine that sits flush with the Compact's abbreviated grip frame. A full-size Security-9 15-round magazine WILL fit and feed in the Security-9 Compact, but it protrudes below the grip; the dedicated Compact 10-round magazine sits flush. For Compact owners who want to share magazine inventory with a full-size Security-9, the full-size magazines work.
Factory Ruger OEM magazines for the Security-9 family come in four configurations plus bundle options. The 15-round magazine ($36.77) is the service-standard capacity and the magazine shipped with factory Security-9 pistols. The 17-round magazine (only available in the 2-pack bundle at $60.76 = approximately $30 per magazine) is the extended-capacity option — a flush-fit 17-round magazine for the Security-9 frame, giving the Security-9 a factory-capacity advantage vs. the Glock 19's 15-round standard. The 10-round magazine ($38.41 single, $56.39 2-pack = $28.20 per magazine) is the compliance variant for capacity-restricted states. The Security-9 Compact 10-round magazine ($34.33) is the dedicated Compact-specific flush-fit variant. The 15-round 2-pack at $55.13 ($27.57 per magazine) is the best-value factory-Ruger option for shooters building up magazine inventory — the bundle discount is meaningful vs. the $36.77 single-magazine price.
ProMag's 32-round extended magazine ($34.19) is the competition / range-practice extended option. ProMag is an established aftermarket magazine manufacturer (Ontario, California) with a 30+ year history across dozens of pistol and rifle platforms — see our ProMag brand page for the broader ProMag catalog. The 32-round Security-9 magazine roughly doubles the factory 15-round capacity; the body extends several inches below the grip frame, making it unsuitable for concealed carry but well-suited to 3-gun, USPSA, and steel-challenge competition use where reload frequency dominates the stage strategy. For home-defense users, the 32-round magazine is sometimes chosen as the bedside-pistol magazine — capacity over profile.
Magazine compatibility rules. Security-9 and Security-9 Compact magazines are Security-9 family-specific and do NOT cross-migrate to other Ruger pistol platforms. A Security-9 magazine will not fit a Ruger American Pistol (9mm) — different magazine-well geometry. It will not fit a Ruger SR9 — similarly different geometry. It will not fit a Ruger Max-9, EC9s, or LC9s — all of those are smaller single-stack pistols with entirely different magazine patterns. The Security-9 is a standalone magazine family within Ruger's lineup. Within the family, the full-size Security-9 and Security-9 Compact share magazine wells — full-size magazines work in the Compact with grip protrusion, and the Compact magazine sits flush in the full- size with reduced capacity.
The Security-9 civilian market today covers the classic budget-service- pistol buyer cohort: first-time concealed-carry buyers moving up from hi-point or Taurus entry-level pistols and selecting the Security-9 as their first "real" service pistol; budget-conscious home-defense owners who want Glock-comparable performance at a $300 price point; range shooters looking for a second or third 9mm practice pistol to complement a primary Glock or M&P; Ruger-platform loyalists who already own Ruger rifles (10/22, Mini-14, Ranch Rifle) and want a matching-brand sidearm; and first-responders / LEO off-duty carriers whose agency issues a full-size service pistol but who want a lower-cost off-duty carry that matches the manual of arms without the service-pistol price premium.
Ruger (Sturm, Ruger & Co., founded 1949 by William B. Ruger and Alexander Sturm) is the largest US firearms manufacturer by unit volume — headquartered in Southport, Connecticut with manufacturing facilities in Newport, New Hampshire; Prescott, Arizona; Mayodan, North Carolina; and Pine Tree, Arizona. Ruger produces rifles, handguns, shotguns, and revolvers across over 50 product lines — the Security-9 is a relatively new entry in a catalog that includes the 10/22 rimfire rifle, the Mini-14, Mini Thirty, Ranch Rifle, GP100 and SP101 revolvers, and the LCR / LCP / EC9s / LC9s concealed-carry family. For the complete Ruger firearm and accessory catalog, see our Ruger brand page. For Ruger's LCP concealed-carry pistol magazines, see our LCP Magazines category; for Ruger 10/22 rimfire-rifle magazines, see our 10/22 Magazines category; for Ruger Mini-30 magazines, see our Ruger Mini-30 Magazines category.
Keep Shooting ships all Security-9 magazines from our Pennsylvania warehouse with free shipping on orders over $49.95 and hassle-free returns. Magazine shipments comply with destination-state capacity restrictions — the 10-round Security-9 magazines (including the Compact 10-round and the 10-round 2-pack) ship to all 50 US states, but the 15-, 17-, and 32-round magazines will not ship to California, New York, New Jersey, Massachusetts, Hawaii, Colorado, Washington, Oregon, Illinois, Vermont, or Washington DC (state-level rules vary — verify before ordering). Whether you're a first-time Security-9 owner building up magazine inventory for range practice, a Security-9 Compact concealed-carry user stocking factory flush-fit 10-round spares, a cost-conscious shooter buying the 15-round 2-pack at meaningful savings over single-magazine pricing, or a USPSA / 3-gun competitor running the ProMag 32-round extended for stage reloads, every Security-9 magazine in our catalog is verified to feed the Security-9 family reliably and is backed by its respective manufacturer's warranty.
Frequently Asked Questions — Security-9 Mags
Keep Shooting carries a wide selection of Security-9 Mags products from trusted brands. Browse our catalog to see the full range, and use the filters on the left to narrow by brand, price, or product type.
Yes! All orders over $49.95 qualify for free shipping, including Security-9 Mags products. Orders typically ship within 1–2 business days.
Keep Shooting offers hassle-free returns on Security-9 Mags products. If you're not completely satisfied, contact our customer service team for a return authorization. All products must be in original, unused condition.
If you need help choosing the right Security-9 Mags product, our team is available to assist. Check individual product descriptions for detailed specifications, or contact us directly and we'll help you find the best fit for your needs.