Lantac usc side charge billet upper receiver Other Features: M4 feedramps blended smoothcam system domed head cam pin
Lantac usar billet upper receiver Other Features: M4 feedramps blended smoothcam system domed head cam pin
Lantac usc side charge billet upper receiver Other Features: M4 feedramps blended smoothcam system domed head cam pin
Lantac usar billet upper receiver Other Features: M4 feedramps blended smoothcam system domed head cam pin