OEM New GLOCK 33 .357 SIG Build Kit for GLOCK Pattern Gen1-3 Sub-Compact Size Frames (models 26, 27, 28, 33, 39).
The model 33 GEN3 and GEN4 share the same slide. This kit usually comes with a slide marked GEN4 that is completely compatible with a GEN3 lower and parts.
 
Includes the following OEM parts:
SP02211 Recoil Spring Assembly
SP01148 Channel Liner
SP01899 Extractor
SP00077 Firing Pin Safety & Spring
SP00133 Slide Cover Plate
SP00112 Extractor Depressor Plunger
SP33522 Extractor Depressor Plunger Spring
SP03439 Spring Loaded Bearing
SP04370 Firing Pin
SP00063 Firing Pin Spring
SP00056 Spacer Sleeve
SP00077 Firing Pin Spring Cups
SP00182 Rear Sight
SP06956 Front Sight with Screw
SP????? Slide
SP08679 Barrel
SP00357 Smooth Trigger with Trigger Bar
SP01896 Trigger Housing with 1882 .357 SIG Ejector
SP00343 Trigger Connector
SP00350 Trigger Spring
SP02919 Slide Release Lever
SP39543 Magazine Release Spring
SP00301 Slide Lock
SP00420 Trigger Pin
SP00427 Trigger Housing Pin
SP04368 Locking Block Pin
SP05837 Slide Lock Spring
 
Slide may be marked USA or AUSTRIA