Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Enjoy free shipping during the holidays! Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.

Enjoy Our Extended FREE RETURNS

We want to ensure that making a return is as easy as possible! With our Hassle-Free, Extended Holiday Returns, eligible orders placed from November 12, 2025 on will benefit from an extended return deadline (January 13, 2026 or 30 days after receipt of your order - whichever is later). We'll even cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart

Is this a nickel boron bolt carrier group including bolt and firing pin? — 2 Answers

by Mark, from OH, United States Asked on February 20, 2018

Name Watchtower Firearms Durabolt 5.56 Bolt Carrier Group (BCG) (4.3)
As Low As $229.99 Save Up to $20.00
View Product
Continue As a Guest
Saving...
Sign In or Create an Account (optional)
Why use an OpticsPlanet.com account for my questions and answers?

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.

Show
Sort by
Filter by
Expert Answer
A
Answered by Ethan C., Gear Expert, from IL, United States, on April 08, 2018

Yes, that includes the bolt and firing pin.

3 of 3 found the following answer helpful.
Was it helpful to you? Yes | No
A
Answered by Hunter, guest, from WY, United States, on March 19, 2018

Only the Boron Matte BCG is Nickel Boron. That is the one that is listed at ~$190, and it is non-NATO spec (not full-auto rated). The ~$140 dollar one is Nitrided, and so is the black NATO one, while all the other bolts offer various coatings which are neither.

Was it helpful to you? Yes | No