Inside a "Sniper" Rifle: SIG SG 550 Field Strip and Review of Internals
This video provides a detailed field strip and internal review of the SIG SG 550 "Sniper" rifle, highlighting its similarities to the SIG 553 and focusing on its larger gas system. The presenter explains the trigger mechanism's redesign for enhanced accuracy, utilizing an extension spring instead of a torsion spring for a lighter pull. The video also touches on the rifle's bull barrel and long-stroke piston operation, concluding with a brief look at a Valmet M78-83S as a bonus segment.











