Geissele Automatics Mid-Range Gas Gun MRGG, 16″ 6.5 Creedmoor, Desert Dirt Color Geissele Part Number 08-528S
Geissele Automatics Super Duty 11.5″ 5.56 Barreled Upper Receiver, Desert Dirt Color Geissele Part Number 08-245S
Geissele Automatics Super Duty 11.5″ 5.56 Barreled Upper Receiver, Black Geissele Part Number 08-245B
Geissele Automatics Super Duty 14.5″ 5.56 Barreled Upper Receiver, Desert Dirt Color Geissele Part Number 08-246S
Geissele Automatics Super Duty 14.5″ 5.56 Barreled Upper Receiver, Black Geissele Part Number 08-246B
