IMPORTANT NOTICE - DUE TO UNPRECEDENTED DEMAND, ALL ORDERS ARE TAKING 1 TO 2 WEEKS TO PROCESS
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Bolt Carrier Groups

Due to high volume of orders, shipping will be delayed up to 1 to 2 weeks from the time of order. All orders will be processed in the order they are received. We appreciate your business and are doing our best to ship all orders in a timely fashion.

.224 Valkyrie Bolt Carrier Group

A completely assembled, ready to install .224 Valykyrie EXO ...

Price:$179.99

450 Bushmaster BCG

A completely assembled, ready to install .450 Bushmaster ...

Price:$179.99

458 SOCOM BCG

A completely assembled, ready to install .458 SOCOM BCG ...

Price:$179.99

6.5 Grendel Bolt Carrier Group

A completely assembled, ready to install 6.5 Grendel EXO ...

Price:$179.99

6.8 SPC Bolt Carrier Group

A completely assembled, ready to install 6.8 SPC EXO NiB ...

Price:$179.99

7.62x39 Bolt Carrier Group

A completely assembled, ready to install 7.62x39 Bolt ...

Price:$179.99

AR10 (.308) BCG

A completely assembled, ready to install .308 Bolt Carrier ...

Price:$249.99

Full-Auto Black Nitride BCG

A Black Nitride finished 5.56/.223 Full-Auto BCG, ...

Price:$109.99

FZ 9mm AR9-BCG

A completely assembled, ready to install EXO Nickel Boron ...

Price:$199.99

FZ Black Nitride 9mm AR9-BCG

A completely assembled, ready to install Black Nitride AR9 ...

Price:$179.99

FZ Lightweight BCG

A completely assembled, ready to install low mass Nickel ...

Price:$224.99

FailZero Elite Kit

A complete FailZero Nickel Boron coated Bolt Carrier Group ...

Price:$199.99
Finish Options

M16/4 Full-Auto BCG

A completely assembled, ready to install Full-Auto BCG

Price:$159.99
Finish Options

AR15 Semi-Auto BCG

A completely assembled, ready to install Semi-Auto Bolt ...

Price:$159.99
Finish Options

RT @PrimaryArms: 6 lbs. overall weight. 3.5 lb. match trigger. .223 Wylde barrel. Ambi Charging handle and enhanced furniture. DM to find o…

by FailZero