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Showing 1–12 of 13 results
KAC Upper Receiver Kit – 5.56mm SR-15 KS-1 (13.7″)
KAC Upper Receiver Kit – 5.56mm SR-15 KS-2 (14.5″)
KAC Upper Receiver Kit – 5.56mm SR-15 KS-3 (11.5″)
KAC Upper Receiver Kit – 6.5mm SR-25 A3 (22″)
KAC Upper Receiver Kit – 6.5mm SR-25 K6 (16″)
KAC Upper Receiver Kit – 6.5mm SR-25 K7 (14.5″)
KAC Upper Receiver Kit – 7.62mm SR-25 A2 (20″)
KAC Upper Receiver Kit – SR-15 Notched Upper Kit (URX-6 and FF RAS 5 Compatible)
KAC Upper Receiver Kit – SR-25 Notched Upper Kit (URX-6 Compatible)
M4A1 Upper Receiver Group
MK18 RIII Upper Receiver Group
MK18 Upper Receiver Group
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