Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

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 FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart

Q&A for Geissele Chrome Lined 300 Blackout Threaded AR Barrel — 2 Questions & 2 Answers

Name Geissele Chrome Lined 300 Blackout Threaded AR Barrel
$365.00
View Product
If you have questions regarding availability, pricing, shipping options for this item or need an answer right now, please contact our customer service team.
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
A
Answered by Jose Hernandez, member, from CT, United States, on June 10, 2026

If you look up the part number 05-3428 on Geissele website it comes complete with a custom pistol-length gas tube and Super Compact Gas Block

2 of 2 found the following answer helpful.
Was it helpful to you? Yes | No
A
Answered by Al, member, from MD, United States, on May 23, 2026

Yes it is a 5/8x28 and it’s a pistol length gas system not mid.

Was it helpful to you? Yes | No
Last updated 2026-05-23 UTC.