SIG SAUER SIG 551-A1 Rifle - Manual (Page 54)

54 www.sigsauer.com
When the hammer (3) is thrust forward, the chargeover (14) presses the
pawl (13) via its eccentric (15) on the
segment (10). The segment (10) jumps up by one notch.
The recoiling bolt cocks the hammer (3) which is retained by the auto sear
(5) (refer to illus. 67).
illuS. 70) trigger meCHaniSm
aFter Firing (FirSt rounD)
illuS. 71) trigger SyStem
During Firing (SeConD rounD)
The advancing bolt presses the auto sear (5) via the release bar (2) to the
rear thus releasing the hammer (3).
The segment (10) moves up another notch.
12SIG541_SIG551_A1MiniManual_Rev1.indd 54 2/17/12 2:48 PM