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S&W M&P Extended Magazine Base Pad - Pad Fits 9mm/.40 S&W M&P,5 Or 6 Rds,1-1/4'''' Addl Mag Oal
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$21.99
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SKU: 069000032
Overview
This extended magazine base pad is designed for 9mm and .40 S&W M&P magazines when added capacity and a more secure grip on reloads are priorities. Its two-piece design replaces the factory pad while allowing the original magazine spring to be retained, and the checkered bottom panel is intended to help with fast, positive magazine changes. The fiberglass-filled nylon construction is meant to add protection when magazines are dropped onto hard surfaces, though the product notes it is intended for low-stress applications where that kind of impact is not expected. It also removes quickly so the magazine can be returned to original spec when needed.
Why Hunters Choose the Arredondo
Extended Base
Pad increases magazine capacity while
Impact-resistant, Fiberglass-reinforced
Nylon helps protect the magazine
Checkered Bottom
Panel supports faster, more secure
Securely Locks
To the magazine body for
Removes Quickly
To reinstall the factory pad
Key Features
- Two-piece extended base pad replaces the factory pad to increase magazine capacity.
- Fits 9mm/.40 S&W M&P magazines.
- Molded from impact-resistant, fiberglass-reinforced nylon.
- Checkered bottom panel supports fast, non-slip magazine changes.
- Locks securely to the magazine body while retaining the factory spring.
- Includes an L-shaped locking insert for extra-secure attachment and added capacity on .40 S&W magazines.
Best Used For
- Hunters or shooters wanting added magazine capacity while keeping the factory spring in place
- Users making fast magazine changes who want a checkered, non-slip base surface
- Low-stress range or practice setups where magazines are not dropped onto hard surfaces
- Owners of 9mm or .40 S&W M&P magazines needing a secure extended base pad
Specifications
| Additional Magazine Overall Length | 1-1/4 in |
|---|---|
| Capacity | 5 or 6 rounds |
| Checkered Bottom Panel | Yes |
| Color | Black |
| Extended Base Pad | Yes |
| Factory Magazine Spring Retained | Yes |
| L Shaped Locking Insert | Yes |
| Magazine Compatibility | 9mm/.40 S&W M&P |
| Material | Fiberglass-filled nylon |
| Two Piece Design | Yes |
Pros
- Extended base pad increases magazine capacity while retaining the factory magazine spring.
- Impact-resistant, fiberglass-reinforced nylon helps protect the magazine from damage on hard surfaces.
- Checkered bottom panel supports faster, more secure magazine changes.
- Securely locks to the magazine body for a stable fit.
- Removes quickly to reinstall the factory pad and return the magazine to original spec.
- L-shaped locking insert provides an extra-secure attachment option.
Considerations & Trade-offs
- This extended base pad adds magazine length and changes the profile of the mag, so it is not a like-for-like replacement for the factory pad.
- The product is described as best suited for low-stress applications where the magazine will not be ejected onto hard surfaces, so it may not match the needs of every range or field setup.
- Capacity gain depends on caliber: the listing specifies five additional rounds for .40 S&W and an additional six rounds for 9mm, so the result is not identical across M&P variants.
- The L-shaped locking insert is optional for extra-secure attachment, which means users may need to choose between simpler setup and added retention security.
Suggested Comparisons
- Pistol magazine extensions
- Replacement magazine base pads
- Handgun magazine accessories
- Magazine maintenance and upgrade parts
Suggested Accessories
- Magazine pouch
- Magazine loader
- Cleaning mat
- Gun vise
Frequently Asked Questions
What does this extended magazine base pad do?
It replaces the factory pad to increase magazine capacity while keeping the factory magazine spring in place.
What firearms is it made to fit?
It is listed for 9mm/.40 S&W M&P magazines.
What material is the base pad made from?
The provided specs list fiberglass-filled nylon in black, and the description says it is impact-resistant, fiberglass-reinforced nylon.
Does it require changing the magazine spring?
No. The description says it lets you retain the factory magazine spring.
How is it secured to the magazine?
It locks securely to the magazine body, and the description notes that an L-shaped locking insert can be used for extra-secure attachment.