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Daniel Defense M4A1 RIS III 5.56 AR-15 Complete Upper Receiver - Black - 14.5"
Geissele Automatics Super Duty MOD1 5.56 NATO Complete AR-15 Upper Receiver - 13.9" Pinned - Black
Andro Corp 5.56 AR-15 Barreled Upper Receiver - 16"
Sons Of Liberty Gun Works M4-EXO3 5.56 NATO AR-15 Barreled Upper Receiver - Pinned NOX - 13.7"
Sons Of Liberty Gun Works M4 EXO3 5.56 NATO Barreled Upper Receiver - 11.5"
Geissele Automatics Super Duty Barreled AR-15 Upper 5.56 MK16 - Black - 16"
Aero Precision M5 Barreled Upper .308 Mid-Length Atlas R-ONE Black - 16"
LMT Monolithic Upper Receiver - AR-15 - MRP-L - Quad-Rail - Carbine - 9.5"
Aero Precision M4E1 Threaded AR-15 Barreled Upper Receiver 5.56 Mid-Length - ATLAS R-ONE - 14.5"
Odin Works Billet Slick Side AR-15 Upper Receiver
Geissele Automatics Super Duty MOD 1 HBAR 5.56 NATO Complete Upper Receiver - 14.5" Pinned & Welded - DDC
Geissele Automatics Super Duty MOD1 5.56 NATO Complete Upper Receiver - 10.3" - DDC
Radian Weapons Upper Receiver and Hand Guard AR-15 Builder Set - 14" - Radian Brown
Radian Weapons Upper Receiver and Handguard AR-15 Builder Set - 14" - Radian FDE
Radian Weapons Upper/ Hand Guard Set - 15.5" - FDE
Radian Weapons Upper Receiver and Hand Guard Set - 17" - Radian OD
Radian Weapons Upper Receiver and Hand Guard AR-15 Builder Set - 17" - FDE
Andro Corp 300 BLK AR-15 Complete Upper - M-LOK - 8"
Andro Corp 5.56 NATO AR-15 Complete Upper - M-LOK - 10.3"
KAK Barreled AR-15 Upper Receiver with 9" M-LOK Handguard - 5.56 NATO - 8"
KAK Complete AR-15 Upper Receiver - 5.56 NATO - 16"
Bravo Company Manufacturing MK2 BFH Enhanced Lightweight Mid-Length Barreled Upper MCMR-15 - 16"
LMT Monolithic Upper Receiver - AR-15 - MRP-L - Quad-Rail - Rifle - 13.25"
Luth-AR .308 Stripped Upper Receiver - DPMS Low Profile
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