(also called a spring guide stopper by some companies)

 

This is an upgrade / replacement spring guide stopper.  Excellent if you are upgrading your VSR.  Longer life, stronger and more durable  all add up to make this stopper the best on the market.  Specially designed to be used with the stronger springs, this unit can take some punishment.  If you are in need of an upgrade or just looking to replace your broken factory guide stopper ..... then look no further.  This is the one.

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