FX M4 slug selection

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Dec 22, 2020
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State of Jefferson, United States
So I've decided to make a dedicated slug gun, I went with the M4 .22 700mm with a stx superior heavy liner on order.
I'd like to keep the performance mods to a minimum and be efficient with the air as much as possible. I think be around 100- 150 yrd range would be great.
I'm thinking of trying nsa, h&n maybe griffin near the 27g weight might be a good start from older u2 vids.
I'm looking for some recommendations of slugs with positive results as of late to prevent me from buying a million slugs of various brands/weights.
 
Impact701 said:
The H&N .218 34gr Heavy slug at 975fps.
They are extremely accurate from my 22 700 DRS with heavy liner.

I have found that the DRS likes about 5 bars higher pressure than the Impact.
I have the reg set at 160bar on my DRS.
Click to expand...
Any other recomendación, I have impact M4 700mm .22 with all market available stuff for slugs, have tried .218 34 but want to try something faster what do you recommend
 
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Alejandro91 said:
Any other recomendación, I have impact M4 700mm .22 with all market available stuff for slugs, have tried .218 34 but want to try something faster what do you recommend
Click to expand...
The M4 should easily push the 34gr 1000fps +
If you want more energy down range try heavier slug like a 38gr or 40gr H&N @ 970fps +
The Zan ELR 42.3gr slugs are very accurate also.
20250408_185329.jpg
 
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Impact701 said:
The M4 should easily push the 34gr 1000fps +
If you want more energy down range try heavier slug like a 38gr or 40gr H&N @ 970fps +
The Zan ELR 42.3gr slugs are very accurate also.
View attachment 560173
Click to expand...
Justed ordered 38-40gr h&n in 218, don't know if try put zan 33gr and 40gr what do you think? My goal is just to have good 150-200yds shots for hunting, cause I shoot almost daily now have home shooting range up to 300yds

I have my m4 700mm
1:16 barrel
Carbon liner
FX slug kit(tungsten hammer weight ' valve spring, slug probe)
Huma air reg 100-200bar
Kraftlypt probe clamp grip
Huma hammer spring(not installed yet)
 
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Alejandro91 said:
Justed ordered 38-40gr h&n in 218, don't know if try put zan 33gr and 40gr what do you think? My goal is just to have good 150-200yds shots for hunting, cause I shoot almost daily now have home shooting range up to 300yds

I have my m4 700mm
1:16 barrel
Carbon liner
FX slug kit(tungsten hammer weight ' valve spring, slug probe)
Huma air reg 100-200bar
Kraftlypt probe clamp grip
Huma hammer spring(not installed yet
Click to expand...

H&N .218 38 and 40 gr have shot really good for me from my DRSC 22 700.
The DRS just doesn't quite have the power of the M4 to push that heavy of a slug.
So I settled on a 34gr H&N Heavy at 975fps which gives me 20 shots per fill.
I think either one should be very accurate at 150 to 200 yards.
Being able to shoot out to 300 yards should definitely sharpen your skills.
 
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