Z9 +3 Mag Extension for Glock® 43

Shield Arms +3 mag extension for the Z9 magazine offers 12 rounds in your Glock® 43.
SKU: Z9-ME-3-BLK
Availability: In stock
$38.50
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The Shield Arms Magazine Extension adds +3 rounds to your Z9 magazine, boosting capacity to 12 rounds – double the standard OEM Glock® 43 magazine. Featuring a unique easy-access floor plate, you can quickly service or clean your magazine without removing the extension. Backed by our lifetime warranty and Spring for Life Guarantee, this is the ultimate upgrade for your Z9.

Features

  • +3 round capacity for Shield Arms Z9 magazine (12 rounds total)
  • Unique easy-access floor plate for simple cleaning/maintenance
  • Index cuts on extension body for improved grip when drawing from mag pouches
  • Machined from billet 6061 aluminum
  • Durable Type 2 anodized finish
  • Includes 14-coil plus-power spring
  • 100% Lifetime Warranty
  • Spring for Life Guarantee – free replacement spring for life
  • Proudly made in the USA

Compatibility

  • Designed specifically for the Shield Arms Z9 PowerCron magazine
  • Not compatible with the Z8 pistol magazine

Compliance Notice

Please check your state and local laws regarding magazine capacity restrictions before purchasing.

Click here for installation instructions

ODA Green

Used on: magazine extensions, magwells

ODA's (Operational Detachment Alpha) are the boots on the ground operational teams of a Special Forces Group. This color began as a special run for a deployed ODA. In continued support we have decided to continue the color as a standard offering and donate a portion of the proceeds to The Green Beret Foundation. Finish is anodized in green.

QPQ Nitrocarburizing Surface Treatment

Used on: magazines, barrels, slides

QPQ Nitrocarburizing is a type of surface treatment used to enhance the durability and corrosion resistance of metal parts. The process involves heating the metal in a controlled environment, where nitrogen and carbon are introduced to the surface of the metal. This forms a thin layer of a hard compound called "nitrides," which increase the surface hardness of the metal.

During the QPQ Nitrocarburizing process, the metal is immersed in a special salt bath and heated to high temperatures. The salt bath contains a mixture of chemicals that release nitrogen and carbon, which penetrate the surface of the metal. The process is carefully controlled to ensure that the nitrogen and carbon penetrate to a specific depth, creating a uniform layer of nitrides on the metal's surface.

The resulting nitride layer provides many benefits to the metal parts, including increased hardness, wear resistance, and corrosion resistance. This treatment helps to increase the lifespan and durability of metal parts, making them more reliable and long-lasting.

Any “scuffing” you see in the surface finish is completely normal, and will not affect the durability or corrosion resistance of the steel.

Electroless Nickel Plating

Used on: magazines

Silver electroless plating offers superior electrical conductivity and corrosion protection with excellent deposit uniformity and adhesion properties. This bright, reflective finish provides outstanding solderability and contact resistance while maintaining the consistent thickness and coverage that electroless plating processes are known for. Black electroless nickel plating provides these same exceptional deposit properties - including lubricity, hardness, and corrosion resistance - but with a fully conductive and uniform black surface finish that combines superior performance with an attractive dark appearance.

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