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Boss Components STI 2011 Brass Double Stack Open Magazine Base Pad 9mm / .38

Built for the demands of Open Division competition, the Boss Components STI 2011 Brass Double Stack Open Magazine Base Pad is designed to enhance magazine handling, durability, and performance for serious competitors.

Precision machined from solid brass, this premium base pad adds substantial weight to the magazine, promoting more positive magazine drops and improved handling during high-speed reloads. The robust brass construction is engineered to withstand the rigors of competition use while providing a premium fit and finish that complements any race gun build.

Designed specifically for double-stack STI/2011 magazines chambered in 9mm and .38 calibre platforms, this base pad delivers reliable performance and seamless integration with competition magazine setups. The extended profile provides a larger gripping surface, making magazine manipulation easier during reloads, maintenance, and malfunction clearance.

Whether you're building a dedicated Open Division pistol or upgrading your competition magazines, the Boss Components Brass Magazine Base Pad offers the quality, durability, and performance advantages demanded by serious shooters.

Features:

  • Designed for STI and compatible 2011 double-stack magazines
  • Suitable for 9mm and .38 calibre competition magazines
  • Precision machined from solid brass
  • Added weight promotes positive magazine drops
  • Enhanced magazine handling and manipulation
  • Extended profile for improved grip and control
  • Durable construction for long service life
  • Competition-focused design
  • Premium fit and finish
  • Easy installation on compatible magazines

Engineered for competitors who demand the very best from their equipment, the Boss Components STI 2011 Brass Double Stack Open Magazine Base Pad | 9mm / .38 delivers the performance, reliability, and premium feel expected from a top-tier competition upgrade.

Availability: In Stock At Supplier

Estimated Time Of Delivery From Supplier: 7 Days To Customer

Colour: BLACK
$38.00
$38.00

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Stock is chosen for reliability and consistency, not trend-chasing or bargain-bin compromises.

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Products are picked to perform in real use, not just look good on a listing page.

At Hamilton’s Armoury, we handle shipping with a focus on speed, security, and reliability. We process orders within 1–2 business days (with weekend and public holiday orders handled on the next business day), provide tracking once dispatched and ship Australia-wide via trusted carriers. All deliveries include tracking and require a signature on arrival to help ensure parcels are received safely.

We offer Standard delivery (2–8 business days) and Express delivery (1–3 business days, where available), noting that remote or regional areas may take longer depending on carrier performance. Shipping costs are calculated at checkout based on location and method, with no added margin. We also offer in-store pickup from our Store and certain restricted items—such as powders, primers, and ammunition—are pickup-only due to transport restrictions. If an order is delayed, damaged, or incorrect, we ask customers to email sales@hamiltonsarmoury.com.au with their order number and issue details so we can resolve it promptly.

At Hamilton’s Armoury, we stand behind our products and aim to ensure every customer is satisfied. We accept returns on most new, unused items within 14 days of delivery, provided the item is in its original condition with all packaging, tags, components included and proof of purchase is supplied. We cannot accept returns for used or damaged items, special order or clearance items, gift cards, perishable goods, or customised/personalised products.

We offer exchanges for size, colour, or model where stock is available; if not, we can provide a store credit or refund. Once a return is received and inspected, we confirm approval and issue refunds to the original payment method within 5–10 business days, with shipping costs only refundable if the return is due to our error (such as an incorrect or defective item). Customers cover return shipping unless the item arrived incorrect, damaged, or faulty and we recommend using a trackable, insured service. Returns are sent to our Goornong, VIC address and to begin a return we ask customers to email sales@hamiltonsarmoury.com.au with their order number, reason, and photos where relevant; we respond within 1–2 business days, while noting we may refuse returns that don’t meet conditions and that this policy does not affect rights under Australian Consumer Law.

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