The LockLeather series OWB Magazine Holster has an adjustable retention screw to accommodate most handgun single and double stack magazines.

These magazine holsters come in either single or double capacity and work with single and double stack magazines.  

Below is a list of calibers and their compatibility.

• 5.7x22mm FN - No

• 9mm - Yes

• 10mm ACP - Yes

• 22 LR - Yes

• 22 WMR - Yes

• 25 Auto - Yes

• 30 Carbine - No

• 32 Auto - Yes

• 32 ACP - Yes

• 32 S&W - Yes

• 32 S&W Long - Yes

• 38 Super Auto - Yes

• 38 Special - Yes

• 38 S&W - Yes, Single Stack Only

• 38 Short Cult - Yes

• 327 Federal - No

• 357 Magnum - No

• 357 Sig - Yes

• 40 S&W - Yes

• 44 Special - Yes, Single Stack Only

• 44 Remington Magnum - No

• 44-40 Winchester - No

• 45 GAP - Yes

• 45 Auto - Yes

• 45 ACP - Yes

• 45 Long Colt - No

• 50 BMG - Definitely No

• 5.7 x 28mm - No
  

• 380 Auto - Yes

• 454 Casull - No

• 500 S&W - No