Battle Arms Development's AR15/M16 Mil-Spec Magazine Catch Spring is a high quality component that will provide excellent fit and reliable function in your AR series rifle and is perfect for upgrading existing components or replacing worn or broken parts.
‘Tis A Spring
It is a magazine catch spring. Packaging was ok and product was a described. It’s one of those parts that is hard for companies to improve on. I would buy again.
January 22, 2023
Is this spring for a 20 round clip?
Answer:
This is not a magazine spring.
Will these work in 30 round magazines?
Answer:
No, this spring is designed to work with the magazine catch.