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TANDEMKROSS Mark PRO Extended Magazine Base Pad (Mark IV 22/45, 2-Pack)

Aluminum extended base pad two-pack for the Ruger Mark IV 22/45 factory 10-round magazine, adds reload-indexing surface and weight.

Price
$25
Brand
TANDEMKROSS
Category
Magazines

Features

  • •Two-pack
  • •Anodized aluminum
  • •Fits factory 10-round Mark IV 22/45 magazines
  • •Adds reload-indexing surface and bottom weight
  • •Black finish
  • •TANDEMKROSS P/N TK26N0237BLK1

Capability Boosts

Reliability+1

Recommended For

Home Defense
Duty/Patrol
duty
Outdoor Defense
first pistol
new shooters

+11 more

Where to Buy

Compare current prices and availability from retailers we work with.

Optics PlanetBest available

TANDEMKROSS Mark PRO Extended Magazine Base Pad for Ruger MKIV 22/45, 2-Pack, Black, TK26N0237BLK1

$25.49
In stock
13h ago
View offer
TANDEMKROSS

MarkPRO Extended Magazine Bumper for Ruger(R) Mark IV 22/45 (2-Pack)

$23.74
Unknown
13h ago
View offer

Price History

90-day low $22.99
$29.99$22.997/58/1910/3

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Overview

The TANDEMKROSS Mark PRO Extended Magazine Base Pad is the cheapest path to a competition-style Mark IV 22/45 magazine. The two-pack of anodized aluminum base pads replaces the factory polymer floor plate on the Ruger 90599 10-round magazine, adding bottom weight for cleaner mag drops, a flared reload-indexing surface for consistent palm strikes, and an aesthetic match for any anodized-aluminum Mark IV build.

The base pad is frame-specific. The TK26N0237BLK1 SKU fits the polymer-framed Mark IV 22/45, 22/45 Lite, and 22/45 Tactical magazines. Owners of the steel-frame standard Mark IV (Target, Hunter, Competition, Lite) need the TK24N0238BLK1 SKU instead, which fits the older Ruger 90231 mag. The pads do NOT cross-fit between the two frame families.

Capacity stays at 10 rounds, the base pad is a footprint-and-weight upgrade rather than a capacity extension. For shooters who run a six-mag stockpile, two two-packs ($50 total) convert four mags to competition spec for less than the cost of two factory replacement mags. Drop-in install with one screw, no fitting required.

Key Features

  • Anodized aluminum extended base pad
  • Two-pack
  • Adds reload-indexing surface and bottom weight
  • Drop-in install on factory 10-round magazine
  • Black anodized finish
  • TK26N0237BLK1 (22/45 frame) — steel frame uses TK24N0238BLK1

Pros

  • +Two pads cost less than one factory magazine
  • +Aluminum bottom adds weight for cleaner mag drops
  • +Flared base helps index reload palm strike
  • +Drop-in install on the factory 10-round mag

Cons

  • −Does not increase capacity (still 10 rounds)
  • −Adds bulk to magazines that won't fit standard mag pouches
  • −Frame-specific — order TK24N0238BLK1 for steel-frame Mark IVs instead

Detailed Specifications

packQuantity
2
Material
Anodized aluminum
compatibility
Factory Mark IV 22/45 10-round magazine
Finish
Black anodize
partNumber
TK26N0237BLK1

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Compatible Platforms

Compatibility Tags

family: handgunframe: ruger-mk4-22-45mag-type: ruger-mk4-22-45

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