Madbull Airsoft 6.03mm 407mm Tight Bore Barrel PCP Fill Stations used for the very first

used for the very first time on an Eclipse marker

5-5 inches of extra long eye relief

The back buffer tube cap on the rear can be unscrewed to allow for mounting of the A412P M4 Tactical Retractable Stock 6-Position Collapisble Short Version(Included)

Is it possible to make the original Spire even more reliable while reducing cost

Madbull Airsoft 6.03mm 407mm Tight Bore Barrel PCP Fill Stations used for the very firstMad Bull 6. 03 inner diameter tightbore barrel. The first barrel to constructed out of 7075 aircraft grade aluminum! Increase accuracy, grouping, power, and range with a better and more reliable barrel. Features: Hard Anodized Coating 6. 03 Inner Tigthbore Diameter Titanium Color Finish Ultimate Tensile Strength and Hardness Includes: Mad Bull Airsoft 6. 03mm 407mm Tight Bore Barrel Specifications: Length: 407mm