First Strike Rubber Rounds are almost the perfect round for the Umarex HDR 50 cal Revolver and Snowpeak Defender.
These FSR rubber rounds will feed and fire through any First Strike compatible .50 caliber paintball gun and will provide remarkable range and accuracy! Fine-tune your 50 caliber First Strike shooting-paintball gun or sight in a scope or sight without wasting precious First Strike rounds with these reusable Rubber Tipped First Strike .50 caliber rounds that are built tough and ready to be re-used!