Carbines w/M4 having M9 bayo mounted
Top to bottom:
1) 605, NDS lower & upper, no drain hole HG's
2) 607(GX5857) NDS lower, my65pan stock
3) XM177E2, all Colt parts except for NDS lower, upper/barrel work by 45Bravo
4) M4A1, to mount the bayo properly you must use the 14.5" barrel w/permanently fixed extended A2 FH for legal length
1) 605, NDS lower & upper, no drain hole HG's
2) 607(GX5857) NDS lower, my65pan stock
3) XM177E2, all Colt parts except for NDS lower, upper/barrel work by 45Bravo
4) M4A1, to mount the bayo properly you must use the 14.5" barrel w/permanently fixed extended A2 FH for legal length
Other Sizes: Original