We have a ton of FMK Polymer Lower Receivers in stock at the moment
in ODG,FDE, and Black. These are very lightweight rigid receivers.
Lower parts kits from DPMS also available as well Milspec buffer assemblies to complete your build.
FMK Lowers $73.95
https://gun-shop.ca/product-tag/ar15/
DPMS LP Kit w/Trigger+Pistol Grip
https://gun-shop.ca/product/dpms-ar-...wer-parts-kit/