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Gamebore Mammoth BB's


Wildfowler12
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I tried a few of these at the end of last season when my mate gave me half a box. I was impressed and have made the switch from my previous goose load. I tried patterning a few last night (through 1/4 choke in my Supernova @ 20 yards) and was quite surprised at how tight the pattern was. I'll take a picture if I still have the sheet. I know steel patterns tight, but this seamed really tight? Perhaps 20 yards is too close to be testing a pattern?

 

I was also taken back by how high the pattern was, a good 90% was scattered above the middle of the board!

 

Has anyone patterned these shells before? What results did you get, and what range do you typically pattern at? Thanks :good:

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I have got the same shells for geese this year, patterned them a couple of days ago and was very impressed, tried 1/4 and 1/2 choke but a lot more fliers with 1/2. 1/4 gave good patterns out to 40 yards, but started to be a bit gappy beyond that range, think you would need a full afterchoke if you were pushing the range farther. Also patterned the 3 1/2 in 3's as i will be using these for foreshore duck, again tried 1/4 and 1/2 but couldn't really see any difference between the two out to 40 yards?? Both loads gave tight patterns at 20 yards, but did spread out by 30 yards.

 

I was going to post the results but it pi##ed down as i was packing up and all the paper went to mush.

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I would not push any steel beyond 40 yards at geese unless using a good regulated steel after choke , high performance American shells such as 3.5 inch Remmingtons and BB or BBB pellets and even then 50 yards is the maximum for a clean kill. Remember pattern is only half the story with steel , being lighter than lead , speed and impact energy is much more important with steel than lead.

 

Much as I lke Gamebore shells to claim they will kill geese at 60 yards is rubbish and clearly selling hype.

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Guest cookoff013

I would not push any steel beyond 40 yards at geese unless using a good regulated steel after choke , high performance American shells such as 3.5 inch Remmingtons and BB or BBB pellets and even then 50 yards is the maximum for a clean kill. Remember pattern is only half the story with steel , being lighter than lead , speed and impact energy is much more important with steel than lead.

 

Much as I lke Gamebore shells to claim they will kill geese at 60 yards is rubbish and clearly selling hype.

yup, that about sums it up.

also those guys that are patterning, you "may" want to try cylinder choke and skeet (0.000" and 0.003-5" respectively) why? because it may still pattern great and at the range. a light choke can do wonders with some steel shells. of course there is the opposite, different shells different chokes all do something different.

 

if you get a shell that patterns keep it and use it. even changing the shotsize can have a dramatic effect or even loss of pattern.

 

i`m currently working on proofing a goose load, BBB is the target, but for the proof loading BB is good enough for pressure data. i`ve a little room in wad still (3mm).for the 5mm pellets.

 

my current logic is 36g of BBB (5mm?) at 1400fps (i`d like more but i`m being realistic) is going to do something at 40 yards. (40 yards being the maximum yardage i`d ever want to shoot steel at.)

 

 

40 yards isnt un-usable.

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