The recoil spring guide can be used to compress the recoil spring with the tip end of the guide pulled back to compress the spring and moving it from the recess in the operating slide and removing it.
Look close at the receiver and find the notch that releases the operating slide. The operating slide should be pulled to the rear slowly while exerting pressure to move the slide to the right.
The action bar or operating slide may be disassembled with a punch with the slide lock driven out from top to bottom.
Conversion to selective-fire capability required changes to the sear, hammer, operating slide, trigger housing (beefed-up to support the weight of the 30-round magazine), and buttstock plus the addition of a selector lever and spring, a sear trip, spring and plunger, and an actuating lever.
The operating slide was altered in configuration to improve empty case ejection.
The steel operating slide is U-shaped with tenons on the inside top edges of the "U" that slide in grooves machined on each side of the forged barrel assembly.
The recoil spring bears at its front end against the rear face of the operating slide and at its rear in a tunnel drilled in the receiver to accept it.
So, of course, can a compact, striker-fired 9mm with an easy operating slide
mechanism and trigger.
Among the most important features of Browning pistols was an operating slide
mated to the frame by rails.
When the magazine is empty after the last shot is fired, the magazine follower engages the bolt lock to hold the bolt and operating slide
in the rearward position.
Early production Carbines had narrower recesses in the handguard and stock around the operating slide
and handguards will also be found with two or four rivets at the rear.
Just make sure the operating slide
or slides are not bent.