Air Venturi Mainspring, Fits Beeman R9, R10 & R11 and Marksman Air Rifles
$33.99
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1-year limited warranty
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Description
- 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.
- Beeman HW97K air rifle
- Beeman HW97K Air Rifle Stainless Steel
- Beeman HW97K Air Rifle, Thumbhole Stock
- Beeman HW97K Blue
- Beeman HW97K Elite Series Combo Air Rifle
- Beeman HW97K Stainless Elite Series Air Rifle
- Beeman HW97K Thumbhole Elite Series Air Rifle
- Beeman HW97K Thumbhole Stock Air Rifle
- Beeman R11 MKII Air Rifle
- Beeman R9 Air Rifle
- Beeman R9 Elite Series Combo
- Weihrauch HW77K Carbine
- Weihrauch HW95 Air Rifle
Specifications
Overall Rating
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4 of 4 Air Venturi Mainspring, Fits Beeman Reviews
I have rebuilt 4 times now with this spring and find it to work and last longer than the original spring that came in the HW97K.
Things I Would Have ChangedI wish that the springs came already polished
What Others Should KnowBe sure to polish both ends of the spring before installing it
Slightly snugger fit. A bit more power than original spring
Things I Would Have Changednothing
What Others Should Knowworks great
Everything
Things I Would Have ChangedNothing
What Others Should KnowNew spring is a different design than the original one. Original spring has a helper spring 2 inches long on one end. Looks like double coils on the first 2 inch section of original spring. My Beeman R10 with this spring and new seal, fires 10.65 Kodiaks at an avg of 770 fps. I added two hardened washers at the rear of the new spring before assembly. This rifle has absolutely no spring (twang) when firing. NICE.
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Free shipping may not be combined with a coupon unless stated otherwise.
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Mar 29, 2020
By Steve
Works great. Spring settled in quickly. I got stable chrony numbers after the install and breaking in the spring a bit. I would buy again for sure.
What Others Should KnowI think installing springs is NOT a do-it-yourself project. I recommend seeking a pro to do it.