Holster with retention device and related methods

A method for making a holster for a firearm, the method comprising:

• forming a holster body comprising
• a proximal wall to be adjacent a user,
• a distal wall opposite the proximal wall and defining a cavity therebetween to receive the firearm,
• a first longitudinal side coupling the proximal wall and the distal wall, and
• a second longitudinal side opposite the first longitudinal side;
• and
• coupling the proximal wall and the distal wall together using a first retention device, the first retention device comprising
• an anchor body coupled between the proximal wall and the distal wall at the second longitudinal side,
• a flexible arm extending from the anchor body and to press against the firearm when in the cavity, and
• an adjustable feature carried by the anchor body and configured to bias the flexible arm against the firearm, the flexible arm comprising a first surface abutting the adjustable feature, and a second surface opposite the first surface and abutting the firearm, the first surface defining a raised portion abutting the adjustable feature, the second surface defining a flat portion abutting the firearm.

A holster for a firearm, the holster comprising:

• a holster body comprising
• a proximal wall to be adjacent a user,
• a distal wall opposite the proximal wall and defining a cavity therebetween to receive the firearm,
• a first longitudinal side coupling the proximal wall and the distal wall,
• a second longitudinal side opposite the first longitudinal side, each of the proximal wall and the distal wall comprising third and fourth openings at the second longitudinal side, and
• third and fourth fasteners respectively extending through the third and fourth openings;
• and
• a first retention device comprising
• an anchor body coupled between the proximal wall and the distal wall at the second longitudinal side,
• a flexible arm extending from the anchor body and to press against the firearm when in the cavity, and
• an adjustable feature carried by the anchor body and configured to bias the flexible arm against the firearm.