In-stock
JSB Exact Jumbo Monster Grand .22 Cal, 28.55 Grains, Domed, 150ct
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 www.P65Warnings.ca.gov 
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Ballistic & Conversion Calcs
Item Code: HN-99105500001 [PY-P-1224]
See other products by Haendler & Natermann
Ballistic & Conversion Calcs
| Caliber | .22 (5.5mm) |
| Ammo Type | Pellets |
| Suggested for | Hunting |
| Projectile Weight | 30.0gr |
| Ammo Shape |  |
| Length | 9.50 mm |
| Quantity | 150 |
3.5 (28 reviews)Create an online review
5.0 5.0
5.0 5.0
4.0 4.0
Got these free with my Hatsan Flashpup purchase With a stock tune, these are going out at 700fps for 32.5 fpe. With hammer spring adjustment , probably close to 40 fpe. These have a BC of .083
Things I would have changed:nothing
What others should know:they are a tight fit in my Flashpup
3.0 3.0
4.0 4.0
3.0 3.0
They seem to be pretty consistent (both good and bad)
Things I would have changed:Possible better quality control. Possible more taper on the nose so the skirt sits flush with end of breech, instead of 1/3 of the way out
What others should know:They seem pretty consistent in speed and constiently on point with weight but vary in length, and i only micrometered 10 of them for this review. They ranged in length from .361 - .369"(9.16 -9.37mm). They also ranged in diameter as well, from .220 -.222"(5.58 -5.63mm). They are very tight in barrel. If I would not have an airforce condor, (or another kind of single shot breech loader)I would not be able to shoot them as they would stick to far out of the breech to be able to close in a break barrel (see picture I uploaded for proof. I ran 5 shots over my chronograph. 1037, 1035, 1027, 1027 1024fps. Gives me roughly 70fpe. These were a 1 hole group on paper at 20 yards. But I do not expect to keep that high of a speed when I use them for pest control. Would I recommend them? More then likely no.
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Will they fit in a gauntlet magazine.
I have a simple question. Has anybody who has used them successively i.e. used them in a powerful PCP rifle tried shooting them with the hollow base facing forward as a hollow point into water or gelatin to see if it expands? It will probably take an air riffle producing at least 55 FPE to get a velocity in the 900 FPS range to get this to work.
Anyone shoot these out of the raw hm1000x barrels?
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JTS Dead Center Precision .25 Cal, 29.32 Grain, Semi-Domed, 150ctBuy With Confidence
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By Jason
The way they look and made.
Things I would have changed:Not that I know.
What others should know:I wish they were more accurate in the diana storm rider gen 2.