{"product_id":"sti-2011-9-38-staccato-bul-armory-brass-double-stack-open-magazine-base-pad-set","title":"STI 2011 Brass Double Stack Open Magazine Base Pad | 9mm\/.38","description":"\u003ch2\u003e\u003cstrong\u003eSTI 2011 Brass Magazine Base Pad – Open Division | 144g Weight Advantage\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAdd \u003cstrong\u003e144g of recoil-taming mass\u003c\/strong\u003e per magazine while gaining \u003cstrong\u003e40% more grip surface\u003c\/strong\u003e for lightning-fast reloads. These \u003cstrong\u003eprecision-machined brass base pads\u003c\/strong\u003e are built for Open Division performance—turning \u003cstrong\u003eSTI 2011 and Bul Armory\u003c\/strong\u003e magazines into perfectly weighted competition tools that \u003cstrong\u003edrop free instantly\u003c\/strong\u003e and \u003cstrong\u003einsert positively\u003c\/strong\u003e every time.\u003c\/p\u003e\n\u003ch2\u003eWhy Open Division Champions Choose Our Brass Base Pads:\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cp\u003e✅ 144g Weight Advantage – Heavy brass mass helps stabilize recoil and keeps mags dropping cleanly\u003cbr\u003e✅ 40% Larger Grip Surface – More purchase and control during speed reloads\u003cbr\u003e✅ Drop-Tested Durability – Built to survive repeated concrete drops\u003cbr\u003e✅ Low Center of Gravity – Helps guide magazines home faster under pressure\u003cbr\u003e✅ IPSC \/ USPSA Legal – Open Division compliant worldwide\u003cbr\u003e✅ Direct Replacement – No magazine modification required\u003cbr\u003e✅ Universal 9mm \/ .38 Super – Compatible with both calibers in \u003cstrong\u003e126mm \/ 140mm \/ 170mm\u003c\/strong\u003e magazines\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications:\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolid Brass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e144g (base pad)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSTI 2011, Bul Armory double-stack, Clones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCaliber\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9mm and .38 Super\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMagazine Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e126mm \/ 140mm \/ 170mm Open Division\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack, Gold Plated, Chrome Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~2 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDivision Legal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIPSC\/USPSA Open Division\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThe Open Division Weight Advantage Explained\u003c\/h2\u003e\n\u003cp\u003eIn Open Division, consistency wins matches. The \u003cstrong\u003e144g brass base pad\u003c\/strong\u003e improves how your magazines behave under recoil and during reloads:\u003c\/p\u003e\n\u003cp\u003e📊 \u003cstrong\u003eCleaner Drops:\u003c\/strong\u003e Extra mass helps the magazine eject positively\u003cbr\u003e📊 \u003cstrong\u003eFaster Handling:\u003c\/strong\u003e Larger base gives more grip when pulling from pouches\u003cbr\u003e📊 \u003cstrong\u003eQuicker Insertions:\u003c\/strong\u003e Low-weight distribution helps guide the mag into the well\u003cbr\u003e📊 \u003cstrong\u003eMatched Feel:\u003c\/strong\u003e Keep reload timing consistent across your mag set\u003cbr\u003e📊 \u003cstrong\u003eBetter Impact Protection:\u003c\/strong\u003e Brass takes abuse better than lightweight alloys\u003c\/p\u003e\n\u003ch2\u003ePerfect For:\u003c\/h2\u003e\n\u003cp\u003e🎯 IPSC \/ USPSA \u003cstrong\u003eOpen Division\u003c\/strong\u003e competitors\u003cbr\u003e🎯 3-Gun Open shooters\u003cbr\u003e🎯 Speed shooting disciplines\u003cbr\u003e🎯 Shooters chasing maximum stability + consistent reload feel\u003cbr\u003e🎯 Building matched magazine sets\u003c\/p\u003e\n\u003ch2\u003e⚡ Build Your Complete Magazine System\u003c\/h2\u003e\n\u003cp\u003ePair this base pad with other race-ready upgrades:\u003c\/p\u003e\n\u003cp\u003e🔧 \u003cstrong\u003eSTI 2011 Ambi Safeties\u003c\/strong\u003e – Get more grip whilst torquing \u003cbr\u003e🔧 \u003cstrong\u003eSTI 2011 Brass Magwell Open\u003c\/strong\u003e – Full brass weight system\u003cbr\u003e🔧 \u003cstrong\u003eSTI 2011 Wide Adjustable Thumbrest\u003c\/strong\u003e – Speed-focused alternative\u003cbr\u003e🔧 \u003cstrong\u003eExtended Magazine Release\u003c\/strong\u003e – Faster mag drops\u003c\/p\u003e\n\u003ch3\u003eComplete Your Open Division Race Gun:\u003c\/h3\u003e\n\u003cp\u003e🏆 \u003cstrong\u003e1911\/2011 Red Dot Optic Multi Mount\u003c\/strong\u003e\u003cbr\u003e🏆 \u003cstrong\u003eExtended Firing Pin\u003c\/strong\u003e\u003cbr\u003e🏆 \u003cstrong\u003eProgressive Recoil Spring\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation Instructions:\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cp\u003eUnload magazine completely — verify chamber empty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDepress retaining plate through witness hole\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSlide factory base pad off magazine body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemove spring and follower (note orientation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstall brass base pad in reverse order\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure factory retaining plate clicks securely\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does \"144g weight advantage\" mean?\u003c\/strong\u003e\u003cbr\u003eA: This refers to the \u003cstrong\u003ebase pad weight (144g)\u003c\/strong\u003e—a heavy brass pad that improves mag handling, drop reliability, and reload control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these in Limited Division?\u003c\/strong\u003e\u003cbr\u003eA: These are built for \u003cstrong\u003e126mm\u003c\/strong\u003e \/ \u003cstrong\u003e140mm\u003c\/strong\u003e \/ \u003cstrong\u003e170mm Open Division\u003c\/strong\u003e magazines. Limited typically restricts to \u003cstrong\u003e140mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which finish is best?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eBlack\u003c\/strong\u003e is most popular for durability. \u003cstrong\u003eGold\/Chrome\u003c\/strong\u003e help with visibility and mag identification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Do these require magazine tuning?\u003c\/strong\u003e\u003cbr\u003eA: No—direct replacement. Always function test after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many should I buy?\u003c\/strong\u003e\u003cbr\u003eA: Most IPSC Open shooters run \u003cstrong\u003e4–6 magazines\u003c\/strong\u003e. Matching base pads across your competition mags helps consistency.\u003c\/p\u003e\n\u003ch2\u003e⚠️ Important Compatibility Notes\u003c\/h2\u003e\n\u003cp\u003e✅ Compatible: \u003cstrong\u003eSTI 2011, Bul Armory double-stack\u003c\/strong\u003e\u003cbr\u003e✅ Calibers: \u003cstrong\u003e9mm and .38 Super\u003c\/strong\u003e\u003cbr\u003e✅ Magazine length: \u003cstrong\u003e170mm Open Division\u003c\/strong\u003e (NOT 140mm Limited)\u003cbr\u003e❌ NOT compatible: Single-stack 1911 magazines\u003cbr\u003e❌ NOT compatible: Glock, CZ, Tanfoglio magazines\u003c\/p\u003e\n\u003ch2\u003e📦 Package Options \u0026amp; Bulk Pricing\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Base Pad\u003c\/strong\u003e – $44.99\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3-Pack Bundle\u003c\/strong\u003e – Save 10% (contact for pricing)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e5-Pack Bundle\u003c\/strong\u003e – Save 15%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e10-Pack Bundle\u003c\/strong\u003e – Save 20% (club orders welcome)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Boss Components\u003c\/h2\u003e\n\u003cp\u003e🏆 Competition Proven – Used by Australian Open Division shooters\u003cbr\u003e🏆 Precision Manufacturing – CNC-milled to tight tolerances\u003cbr\u003e🏆 Australian Stock – Ships within 24 hours\u003cbr\u003e🏆 Expert Support – Competitive shooters on staff\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e📦 Shipping Information\u003c\/h2\u003e\n\u003cp\u003e✈️ In Stock: Ships within 24 hours\u003cbr\u003e🇦🇺 Australia: Express 1–3 days\u003cbr\u003e🌏 International: Philippines 5–7 days, USA 7–10 days\u003cbr\u003e📍 Ships from Adelaide, South Australia\u003c\/p\u003e\n\u003cp\u003e⭐ Upgrade your reload confidence and mag handling—run the \u003cstrong\u003e144g brass advantage\u003c\/strong\u003e and feel the difference in your next match.\u003c\/p\u003e","brand":"Boss Components","offers":[{"title":"Black Single No Number","offer_id":54430183457052,"sku":"0114-BLK-DSOMBPNN","price":44.99,"currency_code":"AUD","in_stock":false},{"title":"Gold Plated Single No Number","offer_id":54430183489820,"sku":"0114-GLD-DSOMBPNN","price":44.99,"currency_code":"AUD","in_stock":false},{"title":"Chrome Plated Single No Number","offer_id":54430183522588,"sku":"0114-CHR-DSOMBPNN","price":44.99,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/0835\/1516\/files\/sti-2011-938bul-armory-brass-double-stack-open-magazine-base-pad-set-967327.jpg?v=1786682324","url":"https:\/\/www.magnumsports.com.au\/products\/sti-2011-9-38-staccato-bul-armory-brass-double-stack-open-magazine-base-pad-set","provider":"Magnum Sports","version":"1.0","type":"link"}