Date: 6/12/2022 7:5


JSB Match Diabolo Exact Premium .177 Cal, 7.87 Grains, Domed 200 Count

5.0 (1 review)
JSB Match Diabolo Exact Premium .177 Cal, 7.87 Grains, Domed 200 Count

JSB Match Diabolo, Image 1

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$0.135 / RdList Price $31.99
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    WARNING WARNING This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
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Pick up a few 200-count boxes of JSB's .177-caliber Express Premium pellets and keep on shootin'.

JSB Premium Express .177 Pellets

  • .177 Caliber
  • 7.87 Grain Weight
  • 200 Count

In stock

Item Code: JSB-10257-200 [PY-P-1511]

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Caliber.177 (4.5mm)
Ammo TypePellets
Suggested forCompetition
Ammo Diameter.178 (4.52mm)
Price per Round$0.135

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5.0 (1 review)
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Things I liked:

The packaging is great with each pellet in its own pocket. (100 to a Styrofoam card and 2 cards in a nice hinged box!) They are uniform and performed very well for me. I was looking for a quality lead pellet at just under 8 grains for subsonic performance in my back yard for my modified Gamo Hunter Extreme. Counter-bored and ported, it really likes the Gamo Raptor pellet which is just too loud at 1550 fps. I experimented/chronographed with various pellets and estimated that at 7.87 grains THIS pellet would perform well while remaining just below the speed of sound. My calculations were correct. [FYI Counter-boring shortened the barrel by 3" without losing cocking leverage and porting channeled off extra destabilizing air for more accuracy!]

Things I would have changed:


What others should know:

Often the only way to KNOW which pellet is best requires direct experimentation and observation. Reading a review authored by someone with different standards using different equipment, ranges and conditions may not provide much useful information. I tested this pellet at 90' in my backyard as that is where I intended to use it! This pellet worked great in MY modified rifle to achieve MY goals. It consistently struck a 1.5" metal spinner at that range. The quality of the packaging of this precision pellet was a pleasant surprise.

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