| style="background:#999999;font-size:9pt" | '''Rifles''' (20" barrel) || style="font-size:9pt" | [[Colt AR-15A2 R6550]], [[Colt M16A1]], [[Colt M16A2]], [[Colt M16A4]]
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| style="background:#999999;font-size:9pt" | '''Carbines''' (14.5" barrel) || style="font-size:9pt" | [[Colt M4]], [[Colt M4A1]]
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| style="background:#999999;font-size:9pt" | '''Subcarbines''' (10.5" barrel) || style="font-size:9pt" | [[Colt Mark 18 Mod 0]]