Rules 1. Paypal only 2. CONUS shipping only 3. Sold as package deal unless we can work something out For Sale - G&P Upgraded M4 Upgraded Internals - SHS Blue Piston - 70D Sorbo - Lonex Steel Spring Guide with Ball Bearings - Lonex POM Piston Head (Ball Bearing Removed) - M100 Spring (believed...

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