The Winbest 3-Stage High Pressure Air Pump is specially designed to fill PCP airguns. The PCP pump has a universal adapter and works with common airgun models, such as the Benjamin Marauder, Discovery and the Crosman PCP Challenger.
|Length||25.6 in / 650 mm Retracted , 44.1 in / 1120 mm Expanded|
|Product Weight (lbs)||5.29 lbs|
|Included Accessories||Femalie Foster Valve , Valve Plug|
|Warranty||1 Year Limited Warranty|
I purchased two of these pumps a bit over a year ago from WOOT. They were marked at a very good price and so I decided to give them a try. Over the last year I've not had as much opportunity to shoot as I'd like, but the times I've been able to go, the pump has worked well. I've been pumping a Benjamin Discovery and a Hatsan Nova. The Hatsan Nova has a 500 CC bottle and takes quite a bit of pumping to reach the 250 bar it's capable of holding. But the Winbest pump reaches that level with no problem.
I've taken the one pump apart to clean it twice, this second time it is not working like it should and troubleshooting has been problematic. The included instructions are not very clear as to how to resolve the issue. The one thing I've not tried yet is replacing o-rings, since the current ones appear to be in good shape. That may be next on the list.
My one complaint about the pump is the lack of clear instructions for troubleshooting and maintenance. The pump itself works much easier than the Benjamin pump I was using before.
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