Magazine well adapter and kit

1. An apparatus for use with a semi-automatic rifle, comprising a magazine well adapter having:

an adapter body with an attachment end adapted to be releasably mated with a magazine well of an associated automatic or semi-automatic rifle, a receiving end adapted to receive an associated modified ammunition magazine, and a side wall with an aperture; and

a release mechanism, adapted to releasably engage the associated modified ammunition magazine, comprising an engagement component adapted to releasably engage a locking component on an associated modified ammunition magazine

wherein the magazine well adapter can be installed onto an associated semi-automatic rifle without any modification to the rifle's receiver, and wherein the adapter body aperture is adapted for the engagement to pass through.

2. The apparatus of claim 1 , wherein the release mechanism additionally comprises:

brackets mounted on an outer wall of the adapter body having the aperture, the brackets having apertures adapted to receive a pivot pin;

a spring loaded bar operatively residing within the brackets, the bar having a hole adapted to receive a pivot pin,

a first end with a pressure area adapted to receive pressure and effectuate pivotal movement of the bar,

a second end with an engagement component adapted to pass through the side wall aperture and releasably engage a locking component on an associated modified ammunition magazine; and

a pivot pin.

3. The apparatus of claim 1 , wherein the engagement component is a cutout tab adapted to releasably engage a cutout notch on an associated modified ammunition magazine.

4. The apparatus of claim 2 , wherein the pressure area additionally comprises a finger grip.

5. The apparatus of claim 1 , wherein the adapter body comprises:

a front wall, adapted to operatively mate with a tab engaging rib of an associated semi-automatic rifle's front trunion, comprising a riser extending above the adapter body's top opening, wherein the riser is attached to a seating flange situated on a substantially perpendicular plane relative to the riser, and wherein the seating flange is adapted to releasably pivotally engage with a tab engaging rib of an associated semi-automatic rifle's front trunion;

a rear wall adapted to operatively mate with a magazine latch of an associated semi-automatic rifle; and

two side walls, one of which has the release mechanism operatively mounted thereon;

wherein the front wall, rear wall and two side walls define a magazine cavity having a substantially rectangular top opening at the attachment end and a substantially rectangular bottom opening at the receiving end.

6. The apparatus of claim 5 , wherein the seating flange is a chamfered bullet guide.

7. The apparatus of claim 5 , wherein:

the rear wall additionally comprises an adapter catch adapted to releasably engage with a magazine latch of an associated semi-automatic rifle.

8. The apparatus of claim 5 , wherein:

the attachment end's top opening is smaller in size than the receiving end's bottom opening.

9. A kit for use with an associated semi-automatic rifle, comprising:

a magazine well adapter having

an adapter body with an attachment end adapted to be received and secured within a magazine well of an associated semi-automatic rifle, and a receiving end adapted to receive an associated modified ammunition magazine;

a release mechanism adapted to releasably engage the associated modified ammunition magazine; and

a modified ammunition magazine having

an elongated and curved housing having

a substantially closed bottom end;

a substantially open top end; and

two arcuate side walls connected in opposition by a front wall and a rear wall,

wherein at least one side wall has a locking component that is selectively engaged by the magazine well adapter's release mechanism;

wherein the magazine well adapter can be installed onto an associated semi-automatic rifle without any modification to the rifle's receiver.

10. The kit of claim 9 , wherein the locking component is a cutout notch adapted to be releasably engaged by the magazine well adapter's release mechanism.

11. The kit of claim 10 , wherein the release mechanism is mounted on a side wall of the adapter body having an aperture, and the release mechanism has an engagement component adapted to pass through the side wall aperture and releasably engage with the modified magazine's cutout notch.

12. The kit of claim 11 , wherein the engagement component is a cutout tab.