# .277 TVCM --- .277 TrueVelocity (TVCM) is a polymer composite cased cartridge developed by a Texas based company called TrueVelocity. It is one of three entrants into the 6.8 NGSW program.
Cartridge NameBullet Mass (g)Velocity (m/s) from 500mm BarrelBallistic CoefficientMax Range (m) @ 35cDamagePenetrationCaliber (mm)RHA Penetration (MM)Flesh Penetration (MM)Concrete Pen (MM)
XM1168 Ball9.0729140.452050121.57mm20.565342.75109.68
XM1169 Match10.0369500.725255017.50.67mm8.55142.545.6
XM1170 AP9.58750.475200013.42.57mm32.8125546.875175
XM1171 HAPI18.1448200.3513001947mm49.2820262.4
[![Damage.png](https://wiki.tau44.net/uploads/images/gallery/2024-09/scaled-1680-/damage.png)](https://wiki.tau44.net/uploads/images/gallery/2024-09/damage.png)![Velocity (m_s).png](https://wiki.tau44.net/uploads/images/gallery/2024-09/scaled-1680-/velocity-m-s.png) [![ballistic-coefficient.png](https://wiki.tau44.net/uploads/images/gallery/2024-09/scaled-1680-/KsEballistic-coefficient.png)](https://wiki.tau44.net/uploads/images/gallery/2024-09/KsEballistic-coefficient.png) [![RHA Penetration (MM), Flesh Penetration (MM) and Concrete Pen (MM).png](https://wiki.tau44.net/uploads/images/gallery/2024-09/scaled-1680-/rha-penetration-mm-flesh-penetration-mm-and-concrete-pen-mm.png)](https://wiki.tau44.net/uploads/images/gallery/2024-09/rha-penetration-mm-flesh-penetration-mm-and-concrete-pen-mm.png) [![Ballistic Coefficient.png](https://wiki.tau44.net/uploads/images/gallery/2024-09/scaled-1680-/ballistic-coefficient.png)](https://wiki.tau44.net/uploads/images/gallery/2024-09/ballistic-coefficient.png) [![Bullet Drop in MRAD @ 15c.png](https://wiki.tau44.net/uploads/images/gallery/2024-09/scaled-1680-/bullet-drop-in-mrad-at-15c.png)](https://wiki.tau44.net/uploads/images/gallery/2024-09/bullet-drop-in-mrad-at-15c.png)