Federal premium ammo
Caliber is .45 GAP (Glock auto pistol)
The glock 21 fires the .45 automatic colt pistol (.45acp, or .45 auto) round.
.40 S&W with JACKETED bullets. The polygonal rifling in a Glock does not mix well with lead bullets.
No - they are very different cartridges.
No cause its too short for gun the glock 17bis a bigger size and thr glock 19 is the compact size.
Check your owner's manual or call Glock.
yes
Police most often use the 9mm Glock 17 or the .40 S&W Glock 22. The glock 17 magazine holds 17 rounds (+1 in the chamber), while the Glock 22 holds 15(+1).
Yes
Glock 17 and USP45
Glock 17