Pro-Shot BIO4-1 Needle Oiler Features The Pro-Shot Bio 4X Needle Oiler delivers a biodegradable lubricant formula through a fine needle-tip applicator letting shooters target exact points on a firearm s action without wasting oil on surfaces that don t need it. That precision matters most on small parts like pins springs and sear mechanisms where too much oil can attract dirt and fouling rather than prevent it. The biodegradable formulation gives shooters an environmentally conscious option without giving up the lubricating performance expected from a quality gun oil. A 1 oz bottle is sized to last through regular maintenance sessions while remaining compact enough to toss in a range bag or cleaning kit. Sold as a 4-bottle case pack this oiler is well suited to shooters who clean and maintain firearms often enough to want a backup supply on hand. Having multiple bottles on hand also makes it convenient to keep one in a range bag one at a cleaning bench and still have spares in reserve. Pro-Shot s cleaning products are built around the idea that the right tool for a specific job outperforms a one-size-fits-all approach and this needle oiler reflects that philosophy. For shooters who want precise mess-free lubrication with an eco-friendly formula the Pro-Shot Bio 4X Needle Oiler 4-pack is available for sale at GrabAGun. Pro-Shot BIO4-1 Needle Oiler Specifications Manufacturer: Pro-Shot Model: BIO4-1 Needle Type: Needle Oiler Size: 1 oz Pack Quantity: 4 Formula: Biodegradable Available At: GrabAGun