FailZero EXO Nickel Boron M16 / M4 5.56 Bolt Carrier Group
5.56 NATO, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$159.99$129.99FailZero AR10 EXO Nickel Boron Bolt Carrier Group
AR10, DPMS Pattern, 9310 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$249.99$229.99FailZero 6.5 Grendel EXO Nickel Boron Bolt Carrier Group
6.5 Grendel, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$154.99FailZero 224 Valkyrie EXO Nickel Boron Bolt Carrier Group
FailZero 224 Valkyrie, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$154.99FailZero 458 SOCOM EXO Nickel Boron Bolt Carrier Group
FailZero 458 SOCOM, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$154.99FailZero 450 Bushmaster EXO Nickel Boron Bolt Carrier Group
FailZero 450 Bushmaster, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$154.99FailZero 6.8 SPC Type II EXO Nickel Boron Bolt Carrier Group
5.56 NATO, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$154.99FailZero 7.62 x 39 EXO Nickel Boron Bolt Carrier Group
5.56 NATO, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$154.99FailZero Lightweight EXO Nickel Boron M16 / M4 5.56 Bolt Carrier Group
5.56 NATO, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$224.99$199.99
