gatnerd

Military Guns and Ammunition

Hosted by gatnerd

This is intended for people interested in the subject of military guns and their ammunition, with emphasis on automatic weapons.

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True Velocity .308 Weight and Teardown pics    Ammunition <20mm

Started 15-Aug by gatnerd; 1252 views.
In reply toRe: msg 8
gatnerd

From: gatnerd

10-Oct

Well seems like TV cases are out in the wild now, and so we're starting to see some good testing on Youtube.

Heres a super test of Heat Transfer using FLIR. The polymer case does indeed result in a cooler weapon then brass.

https://www.youtube.com/watch?v=0G_FSmpaeVo

True Velocity .308 Winchester Keeps Chamber Cold?! | Thermal Images

True Velocity's polymer ammunition is known for keeping temperatures down compared to brass ammo. The composite casing insulates the heat from the powder, ke...

And some basic accuracy testing:

True Velocity vs. Federal Gold Medal Match, Sierra Matchking, more | Virtus

True Velocity claims their polymer-cased, Nozzler Custom Competition .308 Winchester can stand toe-to-toe with the best match-grade factory ammunition around...

And from another test by those guys using the same Desert Tech bullpup boltgun:

smg762

From: smg762

11-Oct

If heat loss is the goal, could one use an open bolt gun and somehow solve the drawbacks of the open bolt design

For instance the gun jerks with each shot, but is there a way to solve this?

Such as delayed blowback and a lighter bolt

Farmplinker

From: Farmplinker

11-Oct

A well designed API (Advanced Primer Ignition) gun is very controllable in full auto, but it only works for pistol cartridges.

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