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SPR223狙击步枪是瑞士B&T公司继APR狙击步枪之后推出的又一款小口径狙击步枪,发射5.56mm NATO弹。该枪采用旋转后拉式枪机,机头设有3个闭锁突笋。护手中部、前部固定有一个倒“U”形导轨座,自机匣顶部至护手中部、前部导轨座通设一条较长的导轨,可串列安装白光瞄准镜及夜视镜。此外,护手前部导轨座两侧还设有短导轨。护手顶部的导轨座均与枪管不接触,使枪管呈浮置式状态。浮置式枪管上设有直线形散热凹槽,既便于散热,又有助于减轻枪管质量。机匣右侧设有拨杆式手动保险,保险有三个位置,分别为保险状态(锁定枪机和扳机)、半保险状态(扳机锁定,枪机不锁定,方便安全退出弹膛内的枪弹)和击发状态。机匣左侧后方设有
The SPR223 sniper rifle is another small-caliber sniper rifle launched by Switzerland’s B & T company following the APR sniper rifle, firing 5.56mm NATO bombs. The gun uses a rotating pull-bolt machine, the nose with 3 lockout shoots. The middle part of the hand guard is fixed with a “U” -shaped rail seat on the front, and the top of the casing to the middle of the hand guard. The front rail seat is provided with a long guide rail for installing white sight and night vision mirror. In addition, the hand guard front rail seat also has short rails on both sides. Hand rails at the top of the seat are not in contact with the barrel, the barrel was floating state. Floating barrels with linear cooling grooves, both for cooling, but also help to reduce the quality of the barrel. The right side of the casing has a lever-type manual insurance, the insurance has three positions, respectively, the insurance state (lock bolt and trigger), semi-insurance state (trigger lock, bolt lock, convenient and safe exit safely) And firing status. The left side of the receiver is provided