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Best M&P Magazine Extension

Top 20 M&P Magazine Extension

If you like your concealed carry gun, you won’t need to find a compromise between capacity and size with a magazine extension.

Why do we need Base Plate Magazine Extension M&P?

Magazine extension allows small firearms to feel bigger and enhance strong hand grip while adding both length and magazine capacity.

Best Pick

ARREDONDO – S&W M&P EXTENDED MAGAZINE BASE PAD

ARREDONDO - S&W M&P EXTENDED MAGAZINE BASE PAD

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This mag extension is good for Competitive Shooting, Hunting, Self Defense, Tactical or Target Practice, increasing the mag capacity +5 rounds for .40S&W and +6 rounds for 9mm .40 S&W, 9mm Luger, fitting comfortably in hand.

#1 FAB Defense MPS-12 Magazine Extension

FAB Defense MPS-12 Magazine Extension

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Specification

Color: Black
Magazine Capacity: 4 Round
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P Shield

FAB Defense increased capacity to four more rounds in their M&P 9 SHIELD Grip Mags, keeping the Smith and Wesson magazine’s low profile. The M&P 9 SHIELD Polymer Grip Magazine Extension +4 features a special ergonomic design, which is the most appropriate for conceal-and-carry situations. The unit case is equipped with contoured finger grooves for a firm grip during magazine handling. The mags are available in Matte Black with extra colors. These mags are only compatible with the original 8 rds M&P 9 and 7 rds M&P 40 magazines.

Pros
  • Adds four rounds, making a total capacity of ten rounds in the magazine

  • Provides a full grip on the handgun

  • Fiberglass reinforced polymer construction

  • Innovative spring plate lets the use of the original magazine spring

  • No issues with feeding for both caliber

  • Extra rounds: 2 rds for M&P 9 and 3 rds for M&P 40

  • Comes with the Allen wrench needed for assembly

  • Takes less than 5 minutes to install the mag on the factory 8 rounder

  • The extra grip length allows a better grip when firing

Cons
  • An issue with Magazine clicking into S&W 2.0

#2 HYVE Technologies Magazine Extension

HYVE Technologies Magazine Extension

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Specification

Fabric/Material: 6061 T6 Aluminum, 6061-T6 Aluminum
Finish: Anodized
Magazine Capacity: 2 Round
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 9 Shield

These Magazine Extensions Base Pad for M&P Shield 9mm only fit the 8-round mags, adding some extra firepower to the firearm. They are machined from Aluminum (6061-T6) with an anodized coating to ensure strong but lightweight construction. The Mag Extensions are available in 8 colors: Red, Violet, Copper, Gray, Black, Blue, OD Green, Tan.

Pros
  • Corrosion and wear-resistant finish

  • Increases the factory magazine’s ammo capacity on 2 rounds, turning an 8 round mag into a 10

  • Convenient to grip for improved control

  • This Magazine Extension Base Pad is a great upgrade to the mags

  • Good fitment and function

  • Outstanding color choices

  • Easy installation

  • Lightweight

  • Enhanced ergonomics

  • Gets rid of the weird spacer on the stock Shield magazine

Cons
  • The magazine does not feed smoothly into the magazine, it sometimes catches and doesn’t lock into place if the magazine is full, needs some effort

  • The coating is not as vibrant as what is shown on the website and it also looks like some of the coatings is already faded

  • It leaves a little gap in between the magazine and the pistol

  • Varying tolerances with some difficulty fitting

  • Spring can get jammed during assembly

  • Can be defective: they don’t allow the magazine to stay in the gun

  • The coating is not durable, it was scratched once after receiving, because of subpar packaging

#3 HYVE Technologies Magazine Extension Base Pad for M&P Shield

HYVE Technologies Magazine Extension Base Pad for M&P Shield

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Specification

Fabric/Material: 6061 T6 Aluminum, 6061-T6 Aluminum
Finish: Anodized
Magazine Capacity: 1 Round
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 9 Shield

The M&P Shield 9mm +1 extension for the Shield 9mms 7 round factory magazine features classic Hyve style grip, adding length to allow pinky to grab it. The extension is crafted from Aluminum (6061 T6), anodized in Hyve standard 8 Colors: Red, Violet, Copper, Gray, Black, Blue, OD Green, Tan.

Pros
  • 100% manufactured in the U.S.A.

  • Adds one extra round to the factory magazine, allowing pleasant gun holding

  • Simple mounting

  • A little bigger grip plus an extra round

Cons
  • Minor scratches because of not reliable packaging

  • Red is not bright, it’s a deeper maroon kind of shade

#4 Tyrant Designs S&W M&P Magazine Extension

Tyrant Designs S&W M&P Magazine Extension

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Specification

Fabric/Material: Aerospace Grade Aluminum
Magazine Capacity: 2 Round
Caliber: 9mm Caliber, .40 S&W
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P Shield

The Shield mag extension is a CNC-machined from aerospace-grade Aluminum, +2 extending an OEM mags capacity of the single-stack defensive pistols with ease. The M&P magazine extension profile features smooth chamfered edges, allowing S&W Shield to conceal well despite the extra length. This extension does not fit shield plus magazine.

Pros
  • Super-easy to install: mounts in less than 10 seconds without any tools

  • A proprietary design functions well with the original factory mag spring

  • Ergonomics and styling of the MP shield are merged flawlessly

  • Pretty tough and durable

  • Allows save time during reloads

  • Increases carrying capacity +2 rounds

  • More convenient for shooters with large hands, allowing even with big mitts to get a proper grip, which matches the profile of the gun

Cons
  • Needs a little adjustment to get it to lock in place

#5 HYVE Technologies S&W M&P9c Magazine Extension

HYVE Technologies S&W M&P9c Magazine Extension

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Specification

Fabric/Material: 6061 T6 Aluminum, 6061-T6 Aluminum
Finish: Anodized
Magazine Capacity: 3 Round
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 9 Compact

This Extension Base Pad +3 will only fit the S&W M&P 9c 12 Round Magazine, adding about one inch to the length of the handgrip for M&P9c. The extension is made of Anodized Aluminum (6061-T6), available in 8 finish colors: Copper, Gray, Black, Red, Violet, Blue, OD Green, Tan. These +3 mag extensions aren’t appropriate for sale to California residents because of the exceeding of the legal 10 round magazine limit.

Pros
  • New snap-in design, followed up with a set screw to add extra insurance that the mag will not slide off the back of the extension

  • Provides three extra rounds

  • Firm design and well made

  • Fits the mags flawlessly and looks sharp when seated

  • Installation was quick and easy

  • Being made of metal gives it a robust feel

  • Doesn’t feel like there is extra weight throwing the balance off

Cons
  • The included Allen wrench is so small as a toothpick and is bent by a stiff spring of M&P 9c Cartridge

  • The supplied Allen wrench broke off in the set screw that was too tight, and had to drill a hole on the other side of the extension and put a rolling pin (spring pin) in it to secure the magazine

#6 HYVE Technologies M&P Shield .45 Magazine Extension

HYVE Technologies M&P Shield .45 Magazine Extension

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Specification

Fabric/Material: 6061 T6 Aluminum, 6061-T6 Aluminum
Finish: Anodized
Magazine Capacity: 1 Round
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 45 Shield
Included Accessories: Allen Wrench

This S&W M&P Shield .45 Magazine Extension Base Pad +1 is equipped with a new snap-in design, after which a set screw is fixed to prevent the mag from sliding off the back of the extension. The Extension is manufactured from Aluminum (6061-T6), covered with Anodized Finish; there are 8 standard available colors: Black, Gray, OD Green, Copper, Red, Tan Violet, Blue. This Extension Base Pad converts the 7+1 to 8+1, but it doesn’t fit the 6+1 as the spring is not the same as the 7+1. If the spring bends or binds up the extra round won’t fit. A set screw is small, make sure the supplied Allen wrench is properly seated.

Pros
  • Comes with Allen Wrench

  • Fit and finish as advertised

  • Easy to install

  • The set screw secures the extension tight

  • Converts to 8-rd mag

  • When installed properly, works flawlessly

  • Extra round loads easily with mag loader and no feed issues at all

  • Makes handling of the pistol a breeze

Cons
  • The finish has come off

  • The mag spring fits flush, but the Hyve extension doesn’t take eight rounds

  • After installing the extension, the mags don’t hold any more rounds than before, and it’s impossible to take it back off

#7 Taran Tactical Innovations Base Pad

Taran Tactical Innovations Base Pad

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Specification

Fabric/Material: Aluminum
Finish: Hard Anodized
Magazine Capacity: 6 Round
Caliber: 9mm Luger, .40 S&W
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 40, Smith & Wesson M&P 9

The M&P base pad operates on any full-size M&P handgun, adding 6 extra rounds for 9mm Caliber and 5 extra rounds in .40 Caliber to the magazine. Although the M&P base pad adds a bit of weight to the magazine, this allows the empty mag drop-free for quicker reloads. To strip and clean the mag just push down the pin, slide the base pad on and push the pin up to lock the base pad onto the magazine. The +5/6 Base Pad base pad is crafted of billet Aluminum with a hard-anodized finish, available in two colors: Flat Black and Coyote Bronze.

Pros
  • Delivers the quantity and quality edge over other shooters

  • Holds 8+1 rounds of .40 S&W and 10+1 rounds of 9mm

  • The patented push pin design for locking the base pad to the mag facilitates field stripping and cleaning the mags between stages

  • CNC machined from aircraft aluminum

  • One-piece design: no extra components or tools required to attach the base pad to the mag

  • Durable long-lasting Finish color

  • Easily attaches and detaches from the magazine

Cons
  • Not rated yet

#8 Taran Tactical Innovations M&P Base Pad and Spring

Taran Tactical Innovations M&P Base Pad and Spring

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Specification

Fabric/Material: Billet Aluminum
Finish: Hard Anodized
Gun Model: Smith & Wesson M&P
Additional Features: Easy to reload into the gun with a full mag
Included Accessories: Spring

Taran Tactical currently produces Base pads only for full-size M&P models 9/40 (fits the USPSA 140mm gauge), not for compact ones. The Base Pad extension comes with Spring and a push-pin of patented, proven design. The M&P Base Pad is CNC-machined from Billet Aluminum and Hard Anodized; available in two colors: Red, Black, and Gray.

Pros
  • Simple reloading into the firearm with a full magazine

  • No particular tools or items needed to disassemble

  • Holds 20+1 rounds of 40 S&W and 23+1 rounds of 9mm Caliber (and M2.0 as well)

  • Super-easy to attach-detach from the mag

  • A little extra weight helps mags drop free easier providing faster reloads

  • One-piece design: nothing can be lost during disassembly

  • Looks top-notch

Cons
  • The spring and pad are too large for an M&P compact

#9 Taran Tactical Innovations +1/2 Base Pad

Taran Tactical Innovations +1/2 Base Pad

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Specification

Fabric/Material: Aluminum
Finish: Hard Anodized
Magazine Capacity: 2 Round
Caliber: 9mm Luger, .40 S&W
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 40 Shield, Smith & Wesson M&P 9 Shield

The base pads are made from aircraft aluminum and hard anodized to provide durable long-lasting colors such as Black, Flat Black, Coyote Bronze, Titanium Gray, Blue, OD Green, Red.

Pros
  • Replacing factory base pad for better reliability

  • More mag capacity: +2 extra rounds in 9mm, and +1 extra round in .40 Caliber to the magazine

  • Due to a little extra weight to the magazine the empty mag drop free easier, ensuring fast reloads

  • Easily attaches and detaches from the mag

  • Solid construction improves dependability

Cons
  • Fitment could be better

#10 Samson Smith & Wesson  Magazine Extension

Samson Smith & Wesson  Magazine Extension 

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Specification

Magazine Capacity: 1 Round
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 40 Shield, Smith & Wesson M&P 9 Shield

The Shield Carry Contour +1 Magazine Extension allows not only holding more ammunition but also clearing malfunctions. The base pads are constructed with relief cuts, which help extract magazines to clear Type III (double-feed) malfunctions and even with one hand.

Replacement base plate retainer delivers positive feeding using the factory magazine spring.

Pros
  • Ensures +1 capacity on both 7-round and 8-round factory mags

  • Designed to drop free without catching on the shooter’s hand

  • The leading edge is contoured to make one-handed reloads easier, acting as a finger groove

  • Features good grip to pull mag if stuck

  • Pairs well with the mag well

Cons
  • California’s Proposition 65

#11 Strike Industries EMP for M&P Shield

Strike Industries EMP for M&P Shield

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Specification

Color: Black
Magazine Capacity: 2 Round
Caliber: 9mm Luger
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 40 Shield, Smith & Wesson M&P 9 Shield

The Magazine Extensions fit both standard and extended length factory magazines. The Base Pads feature sturdy impact-resistant polymer construction. To make the silver gap unnoticeable, it’s possible to paint the bottom mag half right before base black with the super black touch-up pen.

Pros
  • Upgrades and extends firearm’s gripping surface, while matching grip pattern

  • + 2 round capacity for 9mm, +1 round for .40S&W

  • Impact-resistant Polymer body

  • Nice looking

  • Operates flawlessly

  • The bottom of the spring fully drops and seats into the bottom of the extension base

Cons
  • EMP is far enough outside of spec as not to eject duly: 8 round mags don’t convert to 10 round: if you use the plastic spacer that comes standard with 8-rd mags with the EMP it won’t seat, if you leave it off there is a gap

#12 Mec-Gar Plus2 Metal Floorplate Magazines

Mec-Gar Plus2 Metal Floorplate Magazines

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Specification

Finish: Hard Anodized
Magazine Capacity: 2 Round
Gun Make: Browning, Smith & Wesson, Ruger, CZ
Gun Model: CZ 75 Compact, Ruger P93, CZ 75 B, Ruger P94, Ruger P89, Ruger P85, Smith & Wesson Model 5900, Ruger P95, Browning Hi-Power
Included Accessories: Locking Plate, Adapter

The “Plus-2” adapters with a frontal notch and a metal locking floor plate fit Mec-Gar mag to replace a polymer floorplate. They are Aluminum (7075 aircraft grade) with a Hard-Anodized finish.

Mec-Gar mags’ compatibility:

+ 1 round for: MGBRHP13 B/N – Browning HP 9mm 13rd and MGBR4010 B/N – Browning .40 10rd;

+ 2 rounds for: MGBRHP15 B/N – Browning HP 9mm 15rd, MGCZ7516B – CZ 75B 9mm 16rd, MGCZ7514B – CZ 75 Compact 9mm 14rd, P85/89/93/94/95 9mm 17rd, MGSW5917 B/N – S&W 5900 Series 9mm 17rd;

+ 3 rounds for P85/89/93/94/95 9mm 15rd.

Pros
  • Color options: Blue, Red, or Gray

  • Doesn’t leave a gap between the frame and floorplate

Cons
  • Not yet rated

#13 Taran Tactical Innovations +2/4 Base Pad

Taran Tactical Innovations +2/4 Base Pad

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Specification

Color: Coyote Bronze
Fabric/Material: Aluminum
Finish: Hard Anodized
Magazine Capacity: 4 Round
Caliber: 9mm Luger, .40 S&W
Gun Make: Smith & Wesson
Gun Model: Smith & Wesson M&P 40, Smith & Wesson M&P 9

This base pad with sturdy Aluminum construction replaces factory one, ensuring dependable operation.

Pros
  • Adds 4 extra rounds in 9mm and 2 extra rounds in .40 Caliber to the mag

  • Simple attachment and detachment from the mag

  • A little extra weight to the magazine makes fast reloads during the empty mag drop-free

Cons
  • Not yet rated

#14 Pachmayr Grip Extender

Pachmayr Grip Extender

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Specification

Gun Model: Smith & Wesson M&P 9 Shield, Glock 43, Glock 42, Glock 26, Ruger LCP

Additional Features: Standard; Extra Large

The sturdy polymer extension matches the pistol shape and texture, ensuring reliable handling.

Pros
  • Improves control and shooting comfort

  • Good addition to popular compact and subcompact handguns

  • Two-in-one pack for a good price

Cons
  • California’s Proposition 65

#15 TARAN TACTICAL INNOVATIONS – M&P FIREPOWER BASE PAD

TARAN TACTICAL INNOVATIONS - M&P FIREPOWER BASE PAD

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Specification

Gun Model: Smith & Wesson M&P

The one-piece Base pads fit the USPSA 140mm gauge, holding 20+1 rounds of 40 S&W and 23+1 rounds of 9mm Caliber. The CNC-machined M&P extension includes Spring and patented, proven design push-pin. The unit is reloaded easily into the firearm with a full magazine.

Pros
  • Made in the USA

  • Convenient attach-detach from the mag

  • Disassemble without special tools

  • A little extra weight facilitates mags drop free delivering faster reloads

Cons
  • None yet

#16 TARAN TACTICAL INNOVATIONS – MAGAZINE EXTENSION FOR  M&P

TARAN TACTICAL INNOVATIONS - MAGAZINE EXTENSION FOR  M&P

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Specification

Magazine Capacity: 1 Round, 2 Round

Caliber: .40 S&W, 9mm Luger

The M&P Shield Magazine Extension replaces the factory base plate, well-performing with factory mag springs. These Magazine Extensions add two rounds to 9mm and one round to .40 S&W Shields, operating only on OEM S&W magazine bodies.

Pros
  • Gives users extra rounds in multiple calibers

  • Fast and trouble-free installation

  • It feels good in the hand

  • Available in three colors: Black, Flat Black, Titanium Gray

  • Corrosion-resistant hard-anodized finish

Cons
  • Jams like crazy using factory springs needs a better one

  • With a slide-in battery, you can’t seat a full mag without using considerable force

#17 PEARCE GRIP – S&W M&P GRIP EXTENSION

PEARCE GRIP - S&W M&P GRIP EXTENSION

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Specification

Caliber: .40 S&W, 9mm Luger

The Grip Extenders don’t add magazine capacity or weight, allowing shooters to use their entire hand to grip the pistol, making firing more comfortable.

Pros
  • Delivers better recoil control and more consistent shot placement

  • Extended “shelf” for the little finger replaces the factory floor plate in about 5 seconds

Cons
  • None yet

#18 ARREDONDO – S&W M&P EXTENDED MAGAZINE BASE PAD

ARREDONDO - S&W M&P EXTENDED MAGAZINE BASE PAD

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Specification

Caliber: .40 S&W, 9mm Luger

Magazine Capacity: 5 Round, 6 Round

Two-piece, extended base pad replaces factory one to add mags capacity (+5 rounds for 40S&W or +6 rounds for 9mm), ensuring reliable operation. It locks securely to the mag body, allowing the factory magazine spring usage. Overall mag length will remain less than 140 mm for competition use.

Pros
  • Impact-resistant fiberglass-reinforced nylon

  • Not bulky

  • Fits in hand comfortably

  • The checkered bottom panel allows fast, non-slip, magazine’s changes

  • Removes quickly and easily

  • Extra-secure attachment due to the L-shaped locking insert

Cons
  • None yet

Conclusion

While choosing the Base Plate Magazine Extension S&W M&P, pay attention to the magazine’s compatibility, sturdiness of construction, durability of finish; a bit extra weight improves the magazine removal.

Tags: #best m&p magazine extension / #best m&p shield magazine extension / #best magazine extension m&p shield / #m&p shield magazine extension / #m&p shield 40 magazine extension / #m p shield magazine extension / #best base plate magazine extension s&w m&p / #m&p shield 9mm ez magazine extension

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