Atlas Custom Works WA M4 GBB Series 130% Hammer Spring[37529 / ACW-GB123]
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The Atlas Custom Works WA M4 GBB Series 130% Hammer Spring is an upgraded hammer spring that increases the force of your hammer when hitting the plunger on your magazine. Giving you a harder hit and more power out of your WA M4 GBBR.
Manufacturer: Atlas Custom Works
Model: WA M4 GBB Series 130% Hammer Spring
Package Includes: Spring
Warranty Length: 45 Days
Warranty Handler: Airsoft GI (Warranty Policy)
- Metal Construction
- Direct Replacement Part
- Compatible w/ the WA M4A1 GBBR Series
- Professional installation is recommended. Improper use or installation of upgrade parts are 99% of the time the cause of failures of these items.
- Please thoroughly inspect any parts for defects before attempting installation. Due to the high possibility of damage from improper installation, we will not warranty parts after attempting installation.
- Manufacturer: Atlas Custom Works