Luth-AR Complete Upper Receiver Assembly, .223, 29In, 20In, Bull, Rifle, 1X9, 1/2X28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, FTBL-B20

Aero Precision Complete Upper Receiver, M5E1, 22in Barrel, 6.5mm Creedmoor, Rifle Length, 1-8 Twist, 416R Stainless Steel, EM15 Cerakote, FDE, APAR308556M70

Luth-AR Complete Upper Receiver Assembly, .223, 27In, 18In, Bull, Rifle, 1X9, 1/2X28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, FTBL-B18

Aero Precision M5 Complete Upper Receiver, 22in 6.5 Creedmoor SS Rifle BRL, W/ATLAS R-ONE 15in M-LOK Handguard, Anodized, Black, APAR538705M46

Aero Precision Complete Upper Receiver W/ ATLAS S-ONE Handguard, M5, 22in Barrel, 6.5mm Creedmoor, Rifle Length, SM15 Anodized, Black, APAR538105M70

Luth-AR Complete Upper Receiver Assembly, .223, 26In, 16In, Bull, Carbine, 1X9, 1/2X28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, FTBL-B16

Rock River Arms Completed Upper Receiver, Tactical Carbine, .22 Long Rifle, 16 Inch Barrel, 1-16 Twist, 1/2-28 Thread, Free-Float Handguard, A2 Flash Hider, Black, 22L0470A

Luth-AR Complete Upper Receiver Assembly, .223, 31In, 24In, Bull, Rifle, 1X9, 1/2X28, Picatinny, Key MOD, A2 Flash Hider, Anodized, Manganese Phosphate, Silver/ Black, FTBL-B24

Rock River Arms Completed Upper Receiver, National Match A4 Competition Trainer, .22 Long Rifle, 20 Inch Barrel, 1-16 Twist, 1/2-28 Thread, Free-Float Handguard, A2 Flash Hider, Black, 22L0784

Doublestar Complete Upper Receiver, .22 Nosler, 24 Inch Barrel, Bull Profile, Diamond National Free Float Handguard, Black, ARBU108C

Rock River Arms Completed Upper Receiver, National Match A4 Half Trainer, .22 Long Rifle, 20 Inch Barrel, 1-16 Twist, 1/2-28 Thread, Free-Float Handguard, A2 Flash Hider, Black, 22L0798

Stag Arms AR-10 Marksman Right Hand Upper Receiver, 6.5 Creedmore, 22in Barrel, NJ Compliant, BULL Profile, 1-10 Twist, 5/8X24 Thread, VG6 Gamma, FDE, STAG10101413

Stag Arms AR-10 Marksman Right Hand Upper Receiver, 6.5 Creedmore, 22in Barrel, NJ Compliant, BULL Profile, 1-10 Twist, 5/8X24 Thread, VG6 Gamma, Black, STAG10100513

Stag Arms AR-10 Marksman Right Hand Upper Receiver, 6.5 Creedmore, 22in Barrel, BULL Profile, 1-10 Twist, 5/8X24 Thread, VG6 Gamma, Black, STAG10100511

Brenton USA Upper Receiver, Tracker, .22 Nosler, 22in Barrel, 1/2X28 Thread, 1-8 Twist, Foliage Marblekote, Foliage Marblekote, UPT22FM22N

CMMG Mk4 Resolute Upper Receiver Group, .22 Long Rifle, 17In, Armor Black, 22B83CC-AB

Stag Arms AR-10 Marksman Left Hand Upper Receiver, 6.5 Creedmore, 22in Barrel, BULL Profile,1-10 Twist, 5/8X24 Thread, VG6 Gamma, FDE, STAG10111411

Brenton USA Upper Receiver, Tracker, .22 Nosler, 22in Barrel, 1/2X28 Thread, 1-8 Twist, Midnight Marblekote, Midnight Marblekote, UPT22MM22N