SussexMatt Posted June 15, 2022 Share Posted June 15, 2022 Giuseppe runs Mr G's upgrades out of Surplus Store in Crawley, great guy, turned around my knackered M4 really quickly, new piston, Gear and spring, sorted the feeding issues and gave it a good clean and service. now at a consistent 340fps and working great, highly recommended. jtame 1 Link to comment Share on other sites More sharing options...
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