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Thread: Aguila ammo

  1. #21
    Boolit Grand Master 303Guy's Avatar
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    I have some Aguila Super Extra 40gr RN. I went for them because of the round nose, thinking that for target RN can only be better than or equal to HP. They are 'standard velocity' which is fine as sometimes standard velocity is subsonic. Sometimes. This stuff is 1,130fps which is not exactly subsonic. It might be fine for 25m shooting but what would it be like at 50? Well, I'll try them and see how they do.
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  2. #22
    Boolit Grand Master 303Guy's Avatar
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    Found another Aguila target. Subsonic HP 25m open sights.



    I don't think I can aim better than that. There's another shot aimed at the wrong target below this one that would lie within this group.

    For some reason I went and bought more Super Extra's when I should have been buying the subsonic HP. I'll just have to go back and get some.
    Last edited by 303Guy; 11-23-2020 at 08:49 PM.
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  3. #23
    Boolit Buddy
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    My experience is the rims are to soft and jam up my Smith 617 before I can run the full cylinder.

  4. #24
    Boolit Grand Master OS OK's Avatar
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    Quote Originally Posted by 303Guy View Post
    I have some Aguila Super Extra 40gr RN. I went for them because of the round nose, thinking that for target RN can only be better than or equal to HP. They are 'standard velocity' which is fine as sometimes standard velocity is subsonic. Sometimes. This stuff is 1,130fps which is not exactly subsonic. It might be fine for 25m shooting but what would it be like at 50? Well, I'll try them and see how they do.
    I saw a 137 fps loss of velocity testing some 'Federal Target Grade' bulk pack.

    At the muzzle it was 1,217 fps & at the 50 yard target backstop (actually about 49 yards) it was 1,080.

    I don't know what the speed of sound would be here where I live at 2,200' ASL, prolly close to sea level but this ammo appeared to start above the speed of sound and get there below the speed of sound...could that have added to their poor performance?



    I can't say, I was new to using that 'peep & globe' so you could prolly hang half the error on me at least.

    It would be interesting to see a thread of 'empirical evidence' regarding this speed transition and it's effect on the groups.
    Look at what the rifle is capable of above the speed of sound and then look at groups where we know the bullet dropped back through the speed of sound and went sub-sonic.
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  5. #25
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    Quote Originally Posted by OS OK View Post
    It would be interesting to see a thread of 'empirical evidence' regarding this speed transition and it's effect on the groups.
    Look at what the rifle is capable of above the speed of sound and then look at groups where we know the bullet dropped back through the speed of sound and went sub-sonic.
    Look up "transonic bullet instability" for lots and lots of reading material about why that transition point is less than ideal for best accuracy.
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  6. #26
    Boolit Grand Master OS OK's Avatar
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    Quote Originally Posted by NoZombies View Post
    Look up "transonic bullet instability" for lots and lots of reading material about why that transition point is less than ideal for best accuracy.
    I understand the dynamics...just never saw any target pictures of 'groups' disturbed by the transition or ever knew any numbers before and after the transition.

    thanks...charlie
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  7. #27
    Boolit Grand Master tazman's Avatar
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    Here is some data from manufactures specs. The ballistic coefficient for the Norma match can be used in nearly any ballistic calculator to give an idea what to expect. It would probably be a pretty close approximation for nearly any 22 bullet with the possible exception of the light bullets used in the hypervelocity rounds.
    Nominal speed of sound is 1125fps or a close approximation. I don't think it changes a lot for altitude. It changes more for temperature that air pressure. Here is a link to a speed of sound calculator. https://www.weather.gov/epz/wxcalc_speedofsound

    Norma Match
    Specifications and Features:
    • Muzzle Velocity @ 0 yards: 1066fps
    • Muzzle Velocity @ 50yards: 1025fps
    • Muzzle Velocity @100 yards: 930fps
    • Ballistic Coefficient 0.15


    Mini Mags

    Velocity in feet per second
    Muzzle 50 Y 75 Y 100 Y
    1235 1092 1040 998
    Last edited by tazman; 11-24-2020 at 12:59 PM.

  8. #28
    Boolit Master
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    does aguila sell components like pistol primers?

  9. #29
    Boolit Master
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    The Aguila rimfire work ok in my Smith 617 for me, but mine is a six shot cylinder.

  10. #30
    Boolit Grand Master 303Guy's Avatar
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    Since the thread was started, I have tried Aguila 40gr sub-sonic solid points and I like them. They stand up to Eley Club and GECO Match.
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  11. #31
    Boolit Master
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    I noticed the FleetFarm has them in their sale flyer this week. Check FF in BD.
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  12. #32
    Boolit Master
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    I've used the standard velocity in my Marlin model 60 with no real problems and decent accuracy but the seemed to be dirtier than most. For the price I'm not complaining.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check