
What are the best pins for a polymer rifle stock?
Roll Pins ($13): I bought a monster pack since I’m always losing them in AR builds. This one will definitely have several 1/8″ roll pins. Epoxy ($6): I went with a plastic bonding epoxy since you want it to stay to the polymer rifle stock. I’ll be pinning my Bravo B5 stock ($60) but this should translate to any adjustable polymer stock.
How to adjust the length of a stock?
You can take a normal telestock and adjust it to the length you want, and have it drilled and have two roll pins inserted in a way in which they cannot be removed. This customer took the stock to his gunsmith to have this done." Reply W Woody1911a1
Why choose a folding stock adapter?
Reliable, assured fit… With its all-steel locking mechanism, you are assured of a reliable, assured fit. This is regardless of whether you decide to use an existing stock or purchase a new one. One thing is for sure; this quality folding stock adapter gives ease of installation, use, transportation, and storage.
Can you put a folding stock on an AR-15?
This issue can be addressed by installing a folding stock to your weapon. And when doing so, you will also be looking at a folding stock adapter to complete the job. The challenge comes in assessing the best AR-15 folding stock adapters and then narrowing down your choice to one that best suits your purpose.
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Trader Feedback
I'm looking to build a retro XM177 / CAR 15 (with compliant barrel/brake). How do you pin the stock to keep it from collapsing and be NJ compliant?
Trader Feedback
Since there are NO specific guidelines about pinning a stock, one or two blind role pins through the stock and the lower buffer tube extension should suffice. Additionally the manufacturers inactivate the adjustment lever by tapping the adjustment hole and inserting an allen head cap screw which may or may not be necessary.
Trader Feedback
If you are overly paranoid an alternative meathod is to make a drilled hole between the stock and the buffer where the adjustments go and you can rivet the stock to pin it. You need a rivet gun for this and a rivet that is long enough. Or you can do what was mentioned above with the roll pin.
Trader Feedback
IMO if the stock doesn't collapse, you have satisfied NJ law. However you manage to do this is up to you.
Trader Feedback
IMO if the stock doesn't collapse, you have satisfied NJ law. However you manage to do this is up to you.
Trader Feedback
There are problably many different ways to make a stock not be able to collapse any longer. My interpretation is that the spirit of the law is looking for a stock that will not be able to be adjusted with your bare hands, or novel tools very easily.
Trader Feedback
I am sure your opinion will be of great comfort when Bubba is making him his own.
Top 3 Best AR-15 Folding Stock Adapters On The Market 2022 Reviews
Law Tactical are seen as forerunners in the AR-15 folding stock adapter arena. This third generation model offers quality, flexibility, and improvements to their earlier models.
How to Choose the Best AR-15 Folding Stock Adapters
Buying a quality AR-15 folding stock adapter involves an investment that is noticeable! This means you want to choose one that fits your needs as well as your wallet. To help you make that informed decision, here are three major considerations to take into account.
So, what are the Best AR-15 Folding Stock Adapters?
Folding stock adapters give the ability to accessorize your AR-15 rifle or pistol for ease of carriage, concealment, and storage.

Tools Needed
- Drill & Bits: Hopefully you have something at home or can borrow someones since you’ll only need it for a second. I went with a 1/8″ drill bit but as long as you can match up the bit to the roll p...
- Roll Pins($13): I bought a monster pack since I’m always losing them in AR builds. This one will definitely have several 1/8″ roll pins.
- Drill & Bits: Hopefully you have something at home or can borrow someones since you’ll only need it for a second. I went with a 1/8″ drill bit but as long as you can match up the bit to the roll p...
- Roll Pins($13): I bought a monster pack since I’m always losing them in AR builds. This one will definitely have several 1/8″ roll pins.
- Epoxy($6): I went with a plastic bonding epoxy since you want it to stay to the polymer rifle stock.
Pinning A Collapsible Stock
- I’ll be pinning my Bravo B5 stock($60) but this should translate to any adjustable polymer stock. I like the B5 since it’s really light and has that angle that gives me a really good cheekweld. First make sure that you have your stock in the correct length. So if you have any optics (Best Scopes & Optics for the AR-15), make sure you have proper eye relief and length of pull. Get a matching se…
Alternatives to Pinning Your Stock
- Something new has come along…the Stock Lok($35). It swaps out the adjusting pin in your stock so that it becomes fixed. Perfect if you don’t want to pin after reading this tutorial. An even easier method is with Strike Industries Stock Stopwhich is a piece of rubber that stops your standard buttstock from moving. Genius and super cheap at under $10.
Conclusion
- Looking for more help in building a featureless rifle or upgrading your AR-15? Check out our AR-15 Resources and How to Build a Featureless AR-15.