As all ways B&T made a quality stock for the GHM9. I do not have a SBR but during the ATF pistol brace era I put a B&T 16 1/4 inch barrel on my GHM9. The retractable butt stock is for PDW's but can work as a rifle butt stock also like I did.

It took a few months for it to be delivered. For such an expensive stock to arrive in office depot bubble wrap I was disappointed. Works great. Looks great.

I couldn't be happier with this stock, it's stable, quick to deploy, and compact.

I was a little hesitant due to the cost but so glad I bought it. The quality fit and finish is incredible. Very solid.

I know it’s a PDW stock but it’s way too short. I need more surface area to get a good shoulder position as this almost sits on my collarbone it’s so short.

Excellent fit and function got to love this style of stock

Well made easy install Works like it’s Swiss!

The fit and finish was as expected from B&T...perfect. Quick and easy replacement for the existing end cap with a telescoping brace. Good Job B&T.

Pretty much echoing what others have said. Great fit and finish and far superior to what I've seen compared to the flimsy folding braces out there. Took about 4.5 months for my order to be filled. Due to a small error on my part my Form 1 was not approved. Patiently waiting on my second submittal to be approved. Would like to finish this off with RBS-9 SQD suppressor but as of 10/27/22 I've not found one.

Extremely well build stock. Kinda expensive, but worth it. B&T part offer free 2 days FEDEX shipping over $100.