Government agencies buy and test suppressor kits in hopes of getting sanitized equipment. This MAC PAC kit (left) tested out "very quiet with subsonic ammo . . . loaded to 675 FPS only primer firing is heard," according to one CIA report.
HD military model (right) with Sionac parts pack modified for use with drilled and ported barrel. According to Santini, the dB level is louder than with other styles of moderators, but accuracy is improved.
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