SIG SAUER SIG50 - Manual (Page 21)

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2.0. mechanical characteristics and Rifle theory
2.1 Rifle description
2.1.1 general
The Sig50 rifle is a heavy barrel, rotary bolt action, push feed, large caliber precision rifle with detachable box magazine
system with five shot capacity. The rifle is chambered in .50 BMg and is capable of shooting sub-Moa in the hands of
qualified marksmen with applicable match ammunition.
2.1.2 bolt and locking mechanism
The bolt is constructed from 9310 steel. it is equipped with a claw
type extractor. The body of the bolt is fluted for operation in adverse
environmental conditions. The bolt is finished in robar companies
nP3 process. a locking mechanism is located on the left rear side of
the receiver which allows the bolt to be removed when depressed.
The bolt handle has added length to clear optics. it is in right handed
configuration.
FIGURE 1: BOLT AND LOCKING MECHANISM
1 2 3 4 5 6 a 7
Bolt Release