Cobalt is a darker shade of grey than the standard grey frames.
Rear Rail Module
Locking Block Rail System
Coil Slide Lock Spring
On August 10, 2022, the Superior Court for the District of Columbia ruled that Polymer80 handgun frames, lower receivers, Buy, Build, Shoot kits and any comparable products are illegal to purchase and possess in the District of Columbia under District of Columbia law. Please be advised that different states, localities, and jurisdictions have different laws regarding the types of products sold by Polymer80, and such products may be unlawful in certain places. By using this website, or using or purchasing a Polymer80 product, you affirm that you have verified that you may possess, purchase, and use Polymer80 products under all applicable federal, state, and local laws.
PLEASE NOTE WHEN USING LONE WOLF DIST. COMPLETION PARTS, NOT ALL PARTS MAY BE GEN 3, YOU MUST USE GEN 3 ONLY, ANY OTHER PARTS INSTALLED MAY CAUSE DAMAGE AND WILL IMMEDIATELY VOID THE LIFETIME WARRANTY OF YOUR POLYMER80 PRODUCT. CHECK ALL COMPONENTS PRIOR TO INSTALLATION. POLYMER80, INC. IS NOT RESPONSIBLE FOR DAMAGES CAUSED BY INCORRECT PARTS INSTALLATION.