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

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.

AR15 Semi-Auto BCG

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

Price:$159.99
Finish Options

M16/4 Full-Auto BCG

A completely assembled, ready to install Full-Auto BCG

Price:$159.99
Finish Options

FailZero Elite Kit

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

Price:$199.99
Finish Options

FZ Lightweight BCG

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

Price:$224.99

FZ Black Nitride 9mm AR9-BCG

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

Price:$179.99

FZ 9mm AR9-BCG

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

Price:$199.99

Full-Auto Black Nitride BCG

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

Price:$109.99

AR10 (.308) BCG

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

Price:$249.99

7.62x39 Bolt Carrier Group

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

Price:$179.99

6.8 SPC Bolt Carrier Group

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

Price:$179.99

6.5 Grendel Bolt Carrier Group

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

Price:$179.99

458 SOCOM BCG

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

Price:$179.99

450 Bushmaster BCG

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

Price:$179.99

.224 Valkyrie Bolt Carrier Group

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

Price:$179.99

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