Proposed is a magazine having a magazine body of which the upper portion is not deformed by high-temperature heat that is generated at the moment that a bullet is fired. The magazine includes: a magazine body that is made of synthetic resin, has front and rear plates and two side plates, a cartridge outlet formed at a top thereof, a front groove being open upward and formed at a top of the front plate, and a rear groove being open upward and formed at a top of the rear plate, and has guide plates bent toward the inside of the cartridge outlet at rear portions of top of the side plates and preventing cartridges from separating upward; two side reinforcing metal plates inserted and fixed by insert molding inside upper portions of the side plates and the guide plates not to be exposed to the outside.
1. A magazine comprising:
a magazine body that is made of synthetic resin, has front and rear plates and two side plates, a cartridge outlet formed at a top thereof, a front groove being open upward and formed at a top of the front plate, and a rear groove being open upward and formed at a top of the rear plate, and has guide plates bent toward the inside of the cartridge outlet at rear portions of top of the side plates and preventing cartridges from separating upward; and
two side reinforcing metal plates inserted and fixed by insert molding inside upper end portions of the side plates and the guide plates, the two side reinforcing metal plates not to be exposed to the outside,
wherein several resin holes, formed corresponding to the upper end portion of the magazine, filled with the synthetic resin for forming the magazine body are further formed in the reinforcing metal plates,
wherein the reinforcing metal plates each have: a guide plate reinforcement part inserted and fixed inside the guide plate; and a transverse body upper-portion reinforcement part integrally connected to a bottom of the guide plate reinforcement part, and elongated and partially or entirely inserted and fixed in a left-right direction inside the upper portion of the side plate,
wherein the body upper-portion reinforcement is entirely elongated, inserted, and fixed in the left-right direction inside the upper portions of the side plate;
a front connection reinforcement plate integrally formed with the body upper-portion reinforcement parts is further inserted and fixed inside the front plate by insert molding between front ends of the body upper-portion reinforcement parts of the reinforcing metal plates;
a rear protrusion is further formed vertically at a middle portion in a front-rear direction on the rear plate; and
a rear connection reinforcement plate integrally formed with the body upper-portion reinforcement parts is further inserted and fixed inside the rear plate having the rear protrusion by insert molding between rear ends of the body upper-portion reinforcement parts of the reinforcing metal plates.
2. The magazine of claim 1 , wherein a reinforcing protrusion bending to horizontally protrude outward is further formed on the body upper-portion reinforcement part.
3. The magazine of claim 1 , wherein each of the reinforcing metal plates further has a reinforcing corner plate integrally connecting a front lower portion of the guide plate reinforcement part and a top of the body upper-portion reinforcement part.
4. The magazine of claim 1 , wherein a front open groove that is open at both sides and a front and is filled with the synthetic resin for forming of the magazine body is further formed horizontally at the front ends of the body upper-portion reinforcement parts and the front connection reinforcement plate, and
a magazine front-locking groove is horizontally formed on an outer surface of a front of the synthetic resin filling the front open groove.
5. The magazine of claim 1 , wherein the rear connection reinforcement plate has inward-bending plates bent inward from the rear ends of the body upper-portion reinforcement parts, and a protruding plate protruding outward between the inward-bending plates and inserted and fixed inside the rear protrusion;
a rear open groove that is open at a rear and both sides and is filled with the synthetic resin for forming the magazine body is further formed horizontally at the protruding plate, and
two magazine rear-locking grooves are formed at both sides on an outer surface of the rear of the synthetic resin that fills the rear open groove.