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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$108.99 -
FailZero 224 Valkyrie EXO Nickel Boron Bolt Carrier Group
FailZero 224 Valkyrie, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$125.99 -
FailZero AR10 EXO Nickel Boron Bolt Carrier Group
AR10, DPMS Pattern, 9310 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$249.99$199.99 -
FailZero 6.5 Grendel EXO Nickel Boron Bolt Carrier Group
6.5 Grendel, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$125.99 -
FailZero 450 Bushmaster EXO Nickel Boron Bolt Carrier Group
FailZero 450 Bushmaster, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$125.99 -
FailZero 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$125.99 -
FailZero 458 SOCOM EXO Nickel Boron Bolt Carrier Group
FailZero 458 SOCOM, Carpenter 158 Bolt, EXO Nickel Boron Coated, MPI / HP Tested
$179.99$125.99 -
FailZero 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$125.99
