2.Insert plastic buffer into muzzle cap.
3.Screw muzzle cap to barrel assembly.
4.Firmly insert barrel into outer liner assembly with slot side down (see Figure 24).
Barrel
Assembly
Plastic Buffer
Muzzle Cap
Outer Liner Assembly
Piston
Figure 24 - Separating Barrel Assembly from Housing
5.Insert key stop into slot on outer liner assembly (see Figure 25).
6.Push stop towards front of tool (see Figure 25).
7.Rotate annular spring until key stop is covered (see Figure 26).
Key Stop
Figure 25 - Replacing Key Stop
Annular Spring
Key Stop
Figure 26 - Rotating Annular Spring to Cover Key Stop
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