Ammunition Magazine Angular Guide Rails Stabilize Follower
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Solution Overview
Problem
Ammunition magazines, particularly the AR15/M16 style, suffer from follower instability due to non-uniform geometry, leading to potential jamming issues as the follower moves axially and linearly within the magazine.
Innovation Solution
The introduction of angularly shaped guide rails within the magazine shell to stabilize the follower's motion, combined with a polymer construction and a two-piece floor plate locking system, prevents axial and linear motion, ensuring a more stable follower path and incorporating a load indicator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the magazine uses a non-uniform geometry design (AR15/M16 style), then it achieves compatibility with standard weapon platforms, but the follower becomes unstable and prone to axial wobble and jamming
Solution Approach 1:
The patent applies asymmetry by introducing angularly shaped guide rails that create a non-uniform geometry within the magazine body. These guide rails are positioned at specific angles and depths to provide lateral support to the follower, preventing axial wobble while maintaining compatibility with standard weapon platforms like AR15/M16
Solution Approach 2:
The patent adds a lateral dimension of support by incorporating guide rails that extend sideways into the magazine cavity. This creates a three-dimensional constraint system that prevents axial motion of the follower while allowing vertical movement, thus stabilizing the follower path without compromising platform compatibility
2Reliability
If the magazine uses a uniform geometry design (AK-47 style), then the follower moves smoothly and stably, but it lacks compatibility with certain weapon platforms requiring non-uniform geometry
Solution Approach 1:
The patent applies local quality by creating different geometric zones within the magazine body. The guide rails are positioned locally at specific locations and angles, providing stability where needed while leaving other areas with non-uniform geometry to maintain compatibility with weapon platforms. This localized modification allows the magazine to achieve both stability and adaptability
3Device complexity
If the follower is allowed free axial motion, then the magazine operates with simple geometry, but the follower wobbles and may jam during operation
Solution Approach 1:
The patent introduces guide rails as intermediary structures between the follower and the magazine body. These guide rails act as mediators that constrain the follower's axial motion through lateral contact surfaces, preventing wobble and jamming while maintaining a relatively simple overall magazine geometry
Data Source
AI summary
The present invention is an ammunition magazine, preferably made of a reinforced polymer, utilizing a structurally enhancing ridge, angular guide rails and a follower made to interface with said guide rails to reduce wobble. The preferred embodiment also features a protective cover that distributes forces from the spring to more structurally sound areas of the magazine, thus reducing feed end splay, and an ammunition indication system comprised of at least one window and a noticeable marker on the follower spring. The follower and magazine casing are also designed to interface to prevent the follower from popping out of the feed end and the floor plate of the magazine utilizes a locking plate and sliding relationship between the floor plate, locking plate and magazine to secure the floor plate onto the magazine casing. The cover features built in tools for, among other things, unloading and disassembling the magazine.