描述

1. 將固定托內附的尾蓋板置入槍托內(凹面朝前)。

Put the cover plate into stock first (concave side forward).

2. 先將固定托內部一側的肋條斜靠上槍身凹槽。

Contact one side of stock guiding rib into receiver notch

3. 因沖壓機匣具有外撐彈性以協助槍托穩定，安裝時須些微推壓槍身側面，此時再將另一側的肋條插入槍身，即可完成安裝。

Steel receiver is resilient to helps stock stabilizing, so you can press the receiver side by hand to help another side slides in.