The Advanced Technology LOP Quick Stop (part no. A.5.10.2564B) is a 4.75-inch length-of-pull accessory built to adjust stock fit on AR15-platform rifles. It gives shooters a quick way to change how far the stock sits from the trigger without swapping the entire stock assembly. Advanced Technology machines its parts to close tolerances for a durable, dependable fit, and this piece is built to the same standard as the rest of the company’s AR15 lineup. It’s a simple, affordable way to fine-tune stock length of pull for a more comfortable, consistent cheek weld and shoulder fit.

Key Specifications

• Measures 4.75 inches.
• Adjusts length of pull on AR15-platform stocks.
• Machined to close tolerances for a durable, dependable fit.

Frequently Asked Questions

What does this part do? It adjusts the length of pull on an AR15-platform stock, changing how far the stock sits from the trigger.

Do I need to replace my whole stock to use it? No, it’s a standalone spacer accessory rather than a full stock replacement.

Buy the Advanced Technology LOP Quick Stop

Order this Advanced Technology spacer from our AR15 stocks, forends, and forearms selection and dial in your stock’s length of pull. Ships fast from our Lubbock, Texas gun shop.