护木位于枪械前端，用以保护射手免于直接接触发射时可能非常热的枪管。
因此，护木的长度将部分取决于你气管道系统长度。
So the length of handguard will partly depend on the gas tube system you have.
我看过，在现实生活中，AK 持续全自动射击时木制护木著火。
I've seen, in real life, an AK wooden handguard caught on fire after a few hundred runs of sustained automatic fire.
根据6.7.6项进行检测时，当锁点方向的安全栓全部弹出并且完全被锁住时，将得到L1前护木的最小投影。
When measured in accordance with 6.7.6, the deadbolt when fully thrown in the locking direction and detained, shall have a minimum projection to the forend of L1 (see Figure 1 and Table 4).
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