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Shield Arms Glock 43x/48 Premium Mag Well Aluminum Black G43X48-MAGWELL-PRM-BLK UPC 850029544913
Product Description
The Shield Arms Premium Magazine Well for Glock 43X and Glock 48 (G43X48-MAGWELL-PRM-BLK) is a contoured frame extension designed to drastically improve reload speed, magazine funneling, and grip control on slimline Glock handguns. Purpose-built for concealed carry, competition, and tactical shooting, this premium magwell features a flared internal bevel that guides factory and S15 magazines smoothly into the magwell cutout during high-stress reloads.
Precision CNC-machined in the USA from 6061-T6 billet aluminum, the Premium Magwell offers a sleek, low-profile footprint that funnel-expands the magwell opening without adding unnecessary side bulk or printing under thin concealment garments. Treated with a Type III hardcoat anodized matte black finish, it resists surface scratching, impact wear, sweat corrosion, and chemical solvents.
In addition to accelerating reloading cycles, the ergonomic extension acts as a subtle palm ledge, locking the support hand securely against the frame under recoil to improve muzzle control and shot-to-shot recovery. Designed specifically for seamless integration with Shield Arms S15 magazines, factory Glock magazines, and Shield Arms aluminum basepads, the G43X48-MAGWELL-PRM-BLK attaches securely to the frame plug socket using a single set screw for rock-solid lockup.
Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Direct fitment for Glock 43X and Glock 48 lower receiver frames (both standard polymer frames and MOS variants). Fully compatible with Shield Arms S15 magazines, S15 baseplates, and standard OEM Glock 43X/48 factory magazines.
- Perform a complete firearm safety check: drop the magazine, lock the slide rearward, and visually inspect the chamber to ensure zero live rounds are present.
- Clean any dust, debris, or oil from the grip frame channel and lower grip cavity cutout.
- Slide the Shield Arms Premium Magwell onto the bottom lip of the Glock 43X/48 grip frame until it sits flush against the polymer contours.
- Insert the supplied threaded anchor plug into the rear grip lanyard hole channel.
- Apply a small drop of medium-strength threadlocker (Blue Loctite 242) to the retention screw.
- Pass the screw through the magwell mounting hole into the internal plug anchor and torque until snug (do not overtighten into the polymer frame body).
- Perform a manual reload test using empty S15 and OEM factory magazines to verify drop-free release and smooth seat engagement.
Key Features
- Contoured Flared Funnel: Expands the magazine entry funnel to facilitate rapid, blind reloads under dynamic tactical conditions.
- Concealed Carry Friendly Profile: Low-profile exterior geometry maximizes reloading speed without printing under cover garments.
- 6061-T6 Billet Aluminum: USA-machined aluminum construction provides extreme impact durability over flimsy plastic magwells.
- Type III Hardcoat Anodized Black Finish: Non-reflective surface coating shields against holster wear, sweat, and environmental elements.
- Enhanced Support Hand Ergonomics: Form-fitting front and side lip acts as a palm lock to aid in frame lockup and recoil management.
- S15 System Optimization: Direct-engineered for maximum performance alongside Shield Arms S15 high-capacity magazines and steel mag catches.
Product Specifications
- Brand: Shield Arms
- Model/Series: Premium Magazine Well (G43X / G48)
- MPN / SKU: G43X48-MAGWELL-PRM-BLK
- UPC: 850029544913
- Platform Fitment: Glock 43X / Glock 48 (Standard & MOS)
- Magazine Compatibility: Shield Arms S15 Mags & OEM Glock 43X/48 Factory Mags
- Material: 6061-T6 Billet Aluminum
- Finish / Color: Type III Hardcoat Anodized Matte Black
- Weight: 0.6 oz
- Country of Origin: USA
