SERP

The P365 magazine base plate is an essential accessory for Sig Sauer P365 pistol owners, offering both functional improvements and enhanced grip security. Our comprehensive base plate roundup evaluates the most popular options, comparing their durability, ergonomics, and compatibility with the P365.

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Reviews

Shield Arms S15 +5 EXT Red Magazine Base Plate

The Shield Arms S15 Extension thoughtfully upgrades your magazine while keeping things simple. When you need to service the spring and follower, just grab the unique floor plate - no magazine removal required. Built from durable 6061 aluminum with that signature red type 2 anodizing, it's both reliable and eye-catching.

Shield Pmag Gen 3 +5 Extension Red

Looking for one more shot before reloading? The Shield Arms +5 Extension slips into your Magpul PMAG, giving you that crucial extra round while keeping the magazine slim and easy to handle. When it's time to swap out the magazine, the clever floor plate design lets you adjust the spring and follower without removing the extension – perfect for quick changes on the move.

Wilson P365 Mag Std .350 Base Pad

These polymer base pads from Wilson Combat are designed specifically for their current-production 47 Series magazines. At just under 0.350 inches in height, they provide a reliable solution for installing replacement spring assemblies while maintaining proper magazine alignment. The slightly taller design can actually help with magazine seating in the well, making them a practical choice despite their basic plastic construction.

Wilson 500BLP45 Base Pad

Made from durable matte black steel with a slim profile design, this base pad fits Wilson Combat 500 series magazines like a glove. It's engineered to enhance magazine reliability and performance, with slight modifications required for older mag models. Each piece is crafted in the USA and backs up Wilson Combat's reputation for premium accessory quality.

Magpul GL L-Plate

This durable polymer base plate reinforces your PMAG 17 GL9 or 15 GL9, adding a rubber overmold for superior grip. The USA-made L-Plate installs in seconds without tools, solving common magazine clearance issues while enhancing reliability during reloads. The three-pack includes reinforced polymer base plates that complement the Magpul magazine well, available in a sleek black finish.

Strike EMPCTP9 Si Enhanced Magazine

The Strike Industries Extended Magazine Plate cleverly adds five extra rounds to your Canik TP9 magazine while keeping reloads smooth and snag-free. Made from durable polymer with a locking steel plate, it's a practical upgrade that's worth considering if you want to push your mag capacity a bit further. Most users appreciate its space-saving design, though a few noted it's not quite the magic +5 capacity promised in the name.

Ghost Moab AR Baseplates

The Ghost MOAB baseplates represent a significant upgrade over standard OEM pads, with their precision-molded design ensuring optimal magazine seating while protecting your grip during extraction. Each plate features strategic finger grooves and debris evacuation ports, making them particularly adept at managing stubborn mags and maintaining smooth magazine feed. The lightweight 0.15 oz design keeps you comfortable during extended use, while the included labeling options help you quickly identify your loaded magazines.

Springfield Armory XD(M) 45ACP X-Tension Magazine Sleeve

After getting confirmation that my order was cancelled, I learned the hard way that Springfield Armory's X-Tension magazine sleeve won't work with my XD(M) 45ACP Compact. The black metal and plastic design aimed to bridge the gap between extended magazines and the pistol grip, but for me, it was simply incompatible.

Shield Base Plate S15 +5 Blk

The Shield Arms S15 Magazine Extension slides into your existing magazine, adding five more rounds without requiring you to swap out the entire magazine. At just 0.19 ounces, the extension barely adds any weight to your weapon. While opinions vary on whether it's worth the cost, many find the extended capacity and quick-release design beneficial for their shooting needs.

Shield Arms Glock 43 Magazine Extension

Made from durable 6061 aluminum and finished with type 2 anodizing for lasting protection, this magazine extension adds two rounds to your Glock 43. Its innovative design lets you service or clean the magazine while it's still attached, and the textured grip surface helps keep it secure when you're drawing from your holster.

Shield Arms 3485 Shield Base Plate for GLK 43 +2 Red

This aluminum extension clips onto your Glock 43 magazine, adding two extra rounds while keeping the reload access simple – no need to remove it from the magazine to adjust the spring or follower. The red color makes it a bit more visible under the grip, though reviews are still coming in to give it a proper test drive.

Alien Gear ShapeShift Core Carry Pack Sig P365

This versatile carry system lets you switch between inside-the-waistband, appendix, and shoulderholster setups with ease, though some find the outer-wear options a bit bulky. The right-handed holster is made from durable Kydex with a matte finish and breathable materials for comfort. The included mounting options let you secure it to belts or surfaces quickly.

Buyer's Guide

A P365 magazine base plate is a critical accessory for enhancing the grip, stability, and functionality of your firearm. This guide examines the key features and considerations for selecting the right base plate to maximize your weapon's performance and your shooting experience.

Material Construction

Made from durable polymer or metal, base plates protect the firearm's internals while providing a secure grip. Polymer options offer lighter weight and better flexibility, while metal plates provide enhanced durability and may include textured grips for improved handling.

Size and Compatibility

Base plates must match your firearm's specific model and chambering. Measure your firearm's magazine release and grip area to ensure proper fit. Consider the plate's height and width, as these dimensions affect the magazine's position and your shooting fundamentals.

Grip Texture and Design

The base plate's texture can significantly impact grip security, especially during rapid fire or in adverse conditions. Look for patterns that provide natural finger placement while preventing slippage. Some plates feature interchangeable sections for personalized grip customization.

Additional Features

Enhanced safety features like magazine release retention and reduced trigger travel can improve control and accuracy. Consider plates with built-in finger grooves or extended grip surfaces for specific shooting styles or hand sizes.

FAQ

What is a P365 Magazine Base Plate?

A P365 magazine base plate is a specialized component for Glock 19 and 23 pistols, designed to enhance magazine capacity by allowing additional rounds to be carried in the grip safety area. This modification requires a custom base plate that mates with specific magazine designs.

These base plates come in various configurations, including standard, extended, and double-stack options, offering 13, 15, or 17-round capacities depending on the model and modification size.

What pistols are compatible with P365 magazine base plates?

The P365 magazine base plate is specifically designed for Glock 19 and 23 pistols. These base plates are not compatible with other Glock models or third-party pistols, ensuring proper fit and function.

Before purchasing, verify that your firearm chamber length matches the base plate's specifications to prevent compatibility issues.

What modifications are required to install a P365 base plate?

Installing a P365 magazine base plate typically requires minor firearm modifications. These may include filing the grip safety to accommodate the thicker base plate and ensuring proper magazine catch alignment.

For accurate measurements and proper installation, consult a professional firearms technician or follow detailed manufacturer instructions.

What are the benefits of using a P365 magazine base plate?

Morning and evening routines can be streamlined with the added magazine capacity, as the grip safety area can now hold spare rounds without removing the magazine. This feature enhances both tactical readiness and operational efficiency.

Extended capacity base plates reduce the need for frequent magazine changes during extended engagements, while double-stack plates offer substantial ammunition reserves in a single grip position.

Are there any drawbacks to using P365 base plates?

Installation requires specific firearm modifications, which may affect future resale value. Some users report increased grip pressure and altered trigger feel when using extended capacity plates.

These modifications permanently alter the firearm's dimensions, so it's important to weigh the benefits against potential drawbacks before proceeding.

How should P365 magazine base plates be maintained?

Regular cleaning and maintenance are essential for proper operation. The base plate should be cleaned with mild soap and water, allowing it to dry completely before reassembly.

Inspect the base plate for signs of wear, corrosion, or damage before each use, and replace if any components show significant wear or deformation.