Coil spring buffers (F41A3/80 takes precedence)

Full Title

Breech mechanisms, e.g. locks > Mounting of breech-blocks; Accessories for breech-blocks or breech-block mountings > Bolt buffer or recuperator means > Coil spring buffers (F41A3/80 takes precedence)

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• F41A 3/84 mounted within the gun stock
• F41A 3/86 mounted under the barrel
• F41A 3/88 mounted around the barrel