The upper I built as the lower was an existing one that I already had.

Completed Grendel.jpg

- 18" Criterion stainless barrel with a rifle length gas system
- Tool Craft Bolt Carriage with a JP Headspaced/matched bolt
- Aero precision M4A1 upper and matching enhanced 12" handguard
- BCM Gun Fighter charging handle with the large latch
- JP adjustable clamp on gas block
- Spikes tactical carbon fiber gas tube
- Aero Precision M6 Gama muzzle device
- Vortex Viper PST Gen II 5-25x50 FFP scope
- Warne 20MOA Skeletal scope base
- Harris Bipod
- Lone Star Bubble Level
- Vendetta Precision Quick Throw Lever