BudsGunShop.com - Are they with polymer tips?

YES they have hornady vmax tipped bullets Features and Specifications:
Manufacturer Number: 223HVA50
Caliber: .223 Remington
Bullet Type: Hornady V-MAX Tipped Projectile
Bullet Weight: 50 Grain
Rounds: 50 Rounds per Box
Muzzle Velocity: 3300 FPS
Muzzle Energy: 1208 ft/lbs
Bullet Ballistic Coefficient: 0.242
Brass Casings
Features:
Accurate high quality bullets
Reliable Primers
Precision formed cases
Clean Burning Powders
Usage: Target, Range, Hunting
Hornady� V-MAX� The industry's leading varmint bullet with polymer tip and streamlined design results in flat trajectories.

Yes they are. Great rounds

Yes, the 50gr has a red poly tip and the 40gr have a blue poly tip. They both are "Extremely" accurate! (50gr) above = https://media.midwayusa.com/productimages/880x660/Primary/312/312291.jpg (40gr) = https://cdn-secure.luckygunner.com/media/catalog/product/cache/1/image/1036x1036/0f1be9551f0ef53723f4c8d92ecc72ae/e/7/e741bc45b4040c37b3abde5c942842d4.jpg