PocketFullOfShells Posted March 1, 2020 Report Share Posted March 1, 2020 (edited) I have a (NIB) Sig 516 Piston Driven Upper for sale. This one has the very hard to acquire equip with Cold Hammer Forged 14.5" Barrel with 1x7 Twist, chrome lined machine gun barrel, heat shielded handrail and Full Auto Bolt/Carrier assembly that Sig will now only sell to MIL/Law Enforcement. This is the Latest and Greatest Gen-2 Upper with the 4 position gas adjustment piston system. If you are shooing suppressors this is a great feature to reduce gas blow back Excellent upper for any full auto lower **Sold** Edited March 3, 2020 by PocketFullOfShells Sold Link to comment Share on other sites More sharing options...
PocketFullOfShells Posted March 2, 2020 Author Report Share Posted March 2, 2020 (edited) Fin Edited March 3, 2020 by PocketFullOfShells Link to comment Share on other sites More sharing options...
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