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Steps of Removing GHK 553 Magazine Main Body from Shell

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Date Added: 26/10/2018

2019 Chinese New Year Holiday Announcement

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Date Added: 08/02/2018

Tutorial of Replacing Improved Parts for GHK AUG

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Date Added: 03/01/2018

Tips for Changing Steel Outer barrel

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Date Added: 16/01/2017

The Instruction of Removing AUG Fore Grip

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Date Added: 30/12/2016

M4 Piano-Wire Made Powerful Recoil Spring

M4 Piano-Wire Made Powerful Recoil Spring
M4 Piano-Wire Made Powerful Recoil Spring  M4 Piano-Wire Made Powerful Recoil Spring
Brand: +PLUS
Product Code: M4-PIANO-SPRING
Availability: 30
Price: $14.00
Qty:     - OR -   Add to Wish List
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M4 Piano-Wire Made Powerful Recoil Spring  

• Material: Tempered high-carbon steel.
• Compatible with GHK M4 GBBR, give users a powerful blowback recoil experience.

• [CLICK HERE] to review the spring recoil performance.

Piano wire, or music wire, is a specialized type of wire made to become springs or (as the name implies) to be used as piano strings. 
It is made from tempered high-carbon steel, also known as spring steel, which replaced iron as the material starting in 1834.
Piano wire has a very high tensile strength to cope with the heavy demands placed upon piano strings; accordingly, piano wire is also used for a number of other purposes, including springs, surgical uses, and in special effects. (Resource from Wikipedia) 

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