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AEA Challenger Bullpup .25


sonnysan
(@sonnysan)
Joined: 3 years ago
Posts: 435
Topic starter  

Who says you need to buy a 3K slug rig to run with the big dogs at Utah airguns?  Check out this $450 (used, shipped) package.  Yes, you read that right. 

Discovery 4-14x44 scope:

https://store.discovery-optics.com/products/discovery-optical-sight-hs-4-14x44-sf-ffp-mil-long-range-hunting-shooting-riflescope-rifle-scope-for-ar15-ak-47

The scope even came with rings that I mounted.  No need to splurge on BKLs. 

Initially tried Senecas to get on paper.  1.5" groups @ 30 yards.  Glad I shot them so I don't have to store these turds. 

https://www.pyramydair.com/product/seneca-25-cal-35-8-grains-domed-100ct?p=1467

I even shot one Hades.  Broke the sound barrier.

Then I could stack pellets @ 30 yards with JSB redesigns:

https://www.pyramydair.com/product/jsb-match-diabolo-exact-king-mkii-heavy-25-cal-33-95-grains-domed?p=1279

Since this gun/power ratio was designed to shoot slugs, I then attempted 38.5gr. NSA slugs @ 30 yards. 

https://www.airgunsofarizona.com/bullets/nielsen-specialty-ammo-.250-caliber-38.5-grain-hollow-point-flat-base/

You get 10 - 15 good shots with this rig.  That's 80FPE of power. 

Biggest downside:  5.5lb trigger verified with a Lyman trigger pull gauge!  Trigger is non-adjustable.  Feels like a single stage evolution trigger on a Theoben.  Zero creep.  If you come from the magnum springer world, handling this gun is not a shock from every angle.  If the the trigger was 2.5lbs it would be a perfect setup.

Initial 10 round re-sight from pellet to slug:  Looks promising.  I'd say another 25 rounds of 38.5gr, and 36.2gr. NSA will decide a winner.  Might even try H&N HP slugs.  We'll see.

Backyard friendly.  Will get final dba and velocity numbers with its slug of choice.

 

IMG 20210608 172808
IMG 20210608 172820
IMG 20210608 173159
IMG 20210608 173211

  

 


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Mike_Lenardon
(@mike)
Joined: 3 years ago
Posts: 34
 

AEA makes some pretty nice guns. I've been looking at their .30 and .357 caliber guns. The most often complaint I've heard is that their triggers are kind of stiff. Wondering how that one is. I may have to check into them further. 

By the pics it looks like you're going to have a keeper. Good looking gun that shoots well. 👍 


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awilde
(@awilde)
Joined: 3 years ago
Posts: 250
 

I have the .30 carbine version of the Challenger SL which I like, though still waiting on molds for casting the pelllets and slugs for it (taking forever it seems..). The shorter length carbine is definitely a lower power at around 100 fpe compared to the full length with the stronger spring (and no, changing the spring out doesn't improve the carbine version). Was very accurate up to about 40 yards though using the single tin of hatsan vortex .30 pellets I was able to get ahold of to shoot (which are pretty rough finish and dirty pellets).


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sonnysan
(@sonnysan)
Joined: 3 years ago
Posts: 435
Topic starter  

Velocity:  952fps with NSA 38.5 slugs:  77.50FPE

Decibels (dB): 

At shooter:  106.5

At muzzle:  116.7


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Mike_Lenardon
(@mike)
Joined: 3 years ago
Posts: 34
 

Dude...thats a monster you got there.


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sonnysan
(@sonnysan)
Joined: 3 years ago
Posts: 435
Topic starter  

38.5gr. NSA five shot group @ 30 yards.  Getting close:

 

IMG 20210611 172009

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Mike_Lenardon
(@mike)
Joined: 3 years ago
Posts: 34
 

You really need to lighten up the trigger. That in itself would do a lot. 


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sonnysan
(@sonnysan)
Joined: 3 years ago
Posts: 435
Topic starter  

Looks like we have a winner.  Five shots @ 30 yards:

https://www.airgunsofarizona.com/bullets/nielsen-specialty-ammo-.250-caliber-36.2-grain-hollow-point-flat-base/

Larger group are H&N 36gr. HP slugs:

https://www.pyramydair.com/product/h-n-slug-hp-25-cal-36-grains-hollowpoint-120ct?p=1618

Fill the gun to 245 BAR.  10 shots later, manometer is at 180 BAR.

I found that both forearm and rear of gun in bags produces the tightest groups due to the "challenging" trigger.  I've never secured the rear of the gun until this one.

IMG 20210612 133313
IMG 20210612 133321

 


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Jim Bentley
(@jim-bentley)
Joined: 3 years ago
Posts: 310
 

@sonnysan

Fix the trigger dude!! 😀 


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