This kit includes a brand new 9x19mm Glock 17 barrel plus an upper parts slide completion kit for Gen 3 Glocks & PF940V2 P80. 
 
Barrel Specs:
Material: 4150 CMV
Polygonal rifling
Length: 4.49"
Twist: 1:16 
Caliber: 9x19 MM 
Weight: 4 oz
Finish: Nitride
 
Gen 3 Glock 17 Slide Completion Parts Kit
Kit INCLUDES:
· Spring cups
·  Extractor Depressor Plunger Bearing
· Channel liner
· Striker spacer sleeve
· Extractor Depressor Plunger Spring
· Striker Safety Spring
· Striker spring
· Backplate
· 4140 Steel Striker Safety
· 4140 Steel Extractor Depressor Plunger
· 17-4 Striker
· 17-4 Extractor
· Recoil assembly with Stainless Steel Guide Rod