R&R Two Piece Star M249 Spring Guide
Replace your stock Star M249 spring guide with a
R&R CUSTOM AIRSOFT
position '2' spring guide.
Made of CNC 6061 Aluminum to exact specifications
Two piece design to use with the stock spring guide or a ‘R&R CUSTOM AIRSOFT’ spring guide with bearing
The STAR M249 SAW gearbox is longer than a version 2 or version 3 gearbox. This makes the spring tension weaker than the rated FPS ratings that aftermarket spring manufacturers advertise.
spring guides put the aftermarket spring at the tensions rated by the manufacturers.
R&R Custom Airsoft
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