https://www.recoilweb.com/recoils-12-days-of-christmas-giveaways-day-9-b5-systems-186619.html
AR-15 Upgrade Pack
FDE Enhanced Sopmod Stock : https://b5systems.com/collection/stocks/ar-stocks/product/enhanced-sopmod-stock/
FDE P-Grip 22 https://b5systems.com/collection/grips/product/p-grip-22/
FDE Vertical Grip M-LOK® https://b5systems.com/collection/new-products/product/vertical-grip-mlok/
FDE Rail Covers: https://b5systems.com/collection/handguards/ar-handguards/product/rail-cover-m-lok/