Heckler and Koch (HK USA)
MR556A4 UPPER KIT 5.56MM 11″#642230270220$2,499.00
POF USA
P-415 EDGE UPPER 300BLK 10.5″#847313015150$1,439.00
POF USA
RENEGADE+ UPPER 5.56 10.5″ BLK#847313009128$1,263.00- POF USA
P-415 EDGE UPPER 5.56 10.5″ BK#847313012692$1,439.00 
Radian Weapons
MODEL 1 UPPER 223WYL 14.5″ BLK#817093020828$1,994.95
Tapco
TAPCO STRIPPED UPPER#810122800590$99.99
Daniel Defense
M4A1 RIII URG 5.56MM 14.5″ FDE#818773023009$1,612.00
Radian Weapons
MODEL 1 UPPER 223WYL 14.5″ FDE#817093024499$1,994.95
Daniel Defense
UPPER MK18 5.56MM RIS II FDE#852548002592$1,517.00- POF USA
RENEGADE+ UPPER 5.56 16.5″ BLK#847313009074$1,263.00 
Daniel Defense
M4A1 URG 5.56MM 14.5″ FDE#815604016612$1,612.00
Heckler and Koch (HK USA)
MR762A4 UPPER KIT 7.62MM 13″#642230272545$3,049.00
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