Remember these final takeaways:

: The "engine" of the gun. The mainspring provides the force, while the piston compresses air through the nozzle. Compression Chamber

If you need a , the most helpful feature is a clear side cutaway view with a separate exploded isometric of just the bolt and trigger group – those are the most complex parts for reassembly.

Marksman Repeater (such as the classic Model 1010) is a spring-piston air pistol known for its relatively simple internal design.