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Air Venturi Mainspring, Fits Beeman R9, R10 & R11 and Marksman Air Rifles
- Air Venturi mainspring
- Fits Beeman R9, R10 and R11 air rifles
- Also fits Marksman 55,59,70,71,72 , 56,57 and 58
- For professional installation only.
1-year limited warranty
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