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- Kel-Tec Magazine Extension made of Polymer with Black Finish & Adds 1 Extra Round for 40 S&W Kel-Tec P-11 15rd Magazines P11043
Kel-Tec Magazine Extension made of Polymer with Black Finish & Adds 1 Extra Round for 40 S&W Kel-Tec P-11 15rd Magazines P11043
SKU: 854428
Manufacturer part number: P11043
UPC: 640832001037
Old price: $10.91
$9.09
The Kel-Tec Magazine Extension P11043 is a simple, rugged upgrade that adds extra capacity and improved control to your Kel-Tec P-11 .40 S&W 15-round magazines. Constructed from durable polymer with a sleek black finish, this extension adds 1 extra round to your existing magazine while also giving you a better purchase on the grip for enhanced shooting comfort and stability. If you’re looking for a cost-effective way to boost capacity, improve ergonomics, and keep your Kel-Tec P-11 ready for defensive or range use, this Kel-Tec factory magazine extension is the perfect add-on. Designed Specifically for Kel-Tec P-11 .40 S&W 15rd Magazines This extension is engineered to work seamlessly with: Kel-Tec P-11 .40 S&W 15-round magazines designed for the P-11 in .40 S&W Because it’s made to Kel-Tec’s own specifications, you get: Reliable fit and function Proper lockup and feeding A consistent look that matches your pistol and mags No guesswork, no generic fit—this extension is tailored for Kel-Tec P-11 .40 S&W 15-round magazines. Adds +1 Round Capacity – More Ammunition, Same Magazine The core benefit of the Kel-Tec P11043 Magazine Extension is added capacity: Adds 1 extra round to your existing 15-round .40 S&W magazine Gives you 16 rounds total on tap in a single magazine That extra round can make a real difference for: Concealed carry and self-defense Home defense setups Extended practice sessions at the range With no need to buy new magazines, this small accessory delivers a meaningful capacity increase at minimal cost. Durable Polymer Construction with Black Finish Built from high-strength polymer, this magazine extension is: Impact-resistant for long-term durability Lightweight, so it doesn’t add unnecessary weight to your carry setup Designed with a black finish that blends perfectly with most factory Kel-Tec mags and frames Polymer construction offers the ideal balance of strength, corrosion resistance, and low weight, making it perfectly suited for everyday carry and regular use. Enhanced Grip & Better Control As a basepad extension, the P11043 doesn’t just add capacity—it also improves how your pistol feels in hand: Provides extra surface area for your support or firing hand Can offer a slightly longer gripping surface, especially helpful for shooters with larger hands Helps with recoil management and control, particularly with snappy .40 S&W loads That means more comfortable shooting, quicker follow-up shots, and better overall confidence behind the gun. Low-Profile Design for Concealed Carry Despite the added round and grip surface, the extension maintains a low-profile design: Minimizes additional printing under clothing Keeps the pistol carry-friendly for IWB or OWB setups Fits cleanly in most mag pouches designed for extended baseplates You get extra capacity without turning your compact defensive pistol into a bulky carry piece. Easy to Install – No Gunsmith Required The Kel-Tec Magazine Extension is designed for simple user installation: Remove the existing baseplate from your Kel-Tec P-11 .40 S&W 15-round mag Install the P11043 polymer extension in its place Reinsert the spring and ensure everything is properly seated With basic tools (or often none at all) and a few minutes of work, you can upgrade your magazines at home—no gunsmithing required. Ideal Upgrade for Defense, Duty, and Range Use This extension shines in multiple roles: Everyday Carry (EDC): Keep an extra round in your primary mag without changing your holster or carry system. Home Defense: Extra capacity in a nightstand or bedside pistol is always a smart move. Range & Training: Spend more time shooting and less time reloading by squeezing an extra round into each mag. For any Kel-Tec P-11 owner, this is one of the most practical, budget-friendly enhancements you can make. Key Features – Kel-Tec Magazine Extension P11043 Brand: Kel-Tec Model: Magazine Extension Part Number: P11043 UPC: 640832001037 Compatibility: Kel-Tec P-11 .40 S&W 15-round magazines Material: Durable polymer Finish/Color: Black Capacity Increase: Adds 1 extra round (+1) Function: Magazine basepad / extension Benefits: Increased capacity Enhanced grip and control Lightweight and low profile Simple, user-friendly installation SEO-Focused Summary The Kel-Tec Magazine Extension Polymer Black Adds 1 Round for .40 S&W Kel-Tec P-11 15rd Magazines P11043 640832001037 is a factory-style magazine base extension that adds +1 round of .40 S&W capacity while improving grip and control. Made from durable black polymer, this extension is specifically designed for Kel-Tec P-11 .40 S&W 15-round magazines, offering reliable fit, lightweight construction, and easy installation. It’s an ideal upgrade for concealed carry, home defense, and range use, giving P-11 owners extra capacity and better handling without sacrificing concealability. The End
Products specifications
| Manufacturer | Kel-Tec |
| SubCategory | Magazines |
| Category | Parts |