Mag meshes
Magazine‑fed weapons (WK‑11 Viper, TR15, and SRM‑12) use separate Skeletal Meshes for magazines:
TR15 base mesh.

TR15 magazine mesh.
ABPs
This Blueprint samples the current magazine ammo to drive animation:
How mags are animated.

Mag ABP properties.
- Magazine Animation: Anim Sequence that animates the spring, follower, and cartridges.
- Mag Capacity: Maximum ammo count for the magazine.
- Anim Time Step: How much time (in seconds) it takes to process a single bullet.