The TNARMS 15 is our flagship product. Lightweight and incredibly strong this lower is molded with a high-strength industrial polymer that is both UV light and oil resistant. The patent-pending design we developed joins Marine-Grade brass threaded inserts with the polymer during production to add additional strength and rigidity to our product. We have used this lower in almost every caliber from .22 caliber to .50 BMG successfully.
Our Lifetime Guarantee covers everything ..... if you have a problem with our lower...it's covered..period.