Geissele Automatics Super Duty AR-15 Upper Receiver Assembly - Black - BLEMULA

Geissele Automatics Geissele Super Duty MOD1 5.56 NATO 10.3" 1:7" CHF Chrome Lined Bbl Black Complete Upper Receiver Group 08-543B

Geissele Automatics Geissele Super Duty MOD1 5.56 NATO 12.5" 1:7" CHF Chrome Lined Bbl Black Complete Upper Receiver Group 08-545B

Geissele Automatics Geissele Super Duty MOD1 5.56 NATO 10.3" 1:7" CHF Chrome Lined Bbl DDC Complete Upper Receiver Group 08-543S

Geissele Automatics Geissele Super Duty MOD1 5.56 NATO 12.5" 1:7" CHF Chrome Lined Bbl DDC Complete Upper Receiver Group 08-545S

Geissele Automatics Super Duty Stripped Upper 5.56 16 Barrel

Geissele Automatics Super Duty Stripped Upper - DDC Desert Dirt 5.56 10.3 Barrel

Geissele Automatics Super Duty Stripped Upper Flat Dark Earth 5.56 16 Barrel