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First Factory M4 Frame Lock Pin

£18.00
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SKU:
1136
UPC:
4571443141408

This locking pin can reduce or eliminate wobble sometimes found in M4 metal receivers.

Installation notes:

  • Excessive force when installing will cause damage to the pin or receiver
  • Once tightened the head of the pin may not be centered
  • It may be easier to install when disassembled
  • This product may not be compatible with some brands
  • Over tightening the screw may cause damage