Mini Mags Part II

[bowzette]

I went to the range and shot the CCI MM, CCI SV, CCI Blazer and Federal Champion 40gr. I was shooting standing but using a front rest with the factory peep sights and due to eyes the front sight is blurred a bit and the black front sight and mostly black target was difficult to see. I shot at 25 yds and cleaned the barrel between changing ammo. I would shoot 10+ rds to season the barrel with the new ammo and then shoot at the 25 yds target. The least accurate was the CCI MM, the SV, Blazer and Federal Champion were close but it looked to me the Federal, the cheapest of the ammo, grouped the best. Minute of tin can at 25 yds they would all do well and neither the rifle nor the ammo are bench rest quality and not intended to be. It was great fun and the only issue i had was one failure to feed with the Federal. Sitting at a bench with a good rest, I have one I didn't bring it, a 10 rd mag. and not the 25 rd which is too long for bench shooting and a scope, I could determine which ammo is indeed the most accurate in my rifle. But the shooting today I think established what I was anticipating-my shooting with the factory sights, especially if I were shooting off-hand, any of this ammo would produce the same amount, or lack thereof, of accuracy so long as it functioned reliably. If it functions well in the 15 22 the Federal Champion was the best "bang for the buck".

 

[Luger9x19]

That was an interesting comparison, but I wonder if you would get similar results at 50 yards or 100 yards.

Do you have any pictures of your targets?

Also when you say "...with the factory peep sights" do you have a M&P 15-22 or M&P 15-22 sport? They have different sites.

 

[bowzette]

It is a M&KP 15-22. MBUS sights. I don't know if I can see the targets well enough at 75 and 100 yds. Maybe out side with good light and I will paint the front post. But I think it will take using the caldwell Rock rest and my bunny ear bags with a descent scope to determine what is really more accurate. But I want to see if I can shoot the gun with the factory sights before going to a scope. I have three heavy rifles I shoot from a bench and would like to keep the 15-22 light and simple.

 

[cmichael]

M&P 15-22 Accuracy

Here is my group for the 15-22 at 50 yard, Using Venom RDS. If I do my parts I could get a 1/4 inch. using CCI SV.

M&P 15-22 Accuracy - RimfireCentral.com Forums

 

[VaTom]

It is a M&KP 15-22. MBUS sights. I don't know if I can see the targets well enough at 75 and 100 yds. Maybe out side with good light and I will paint the front post. But I think it will take using the caldwell Rock rest and my bunny ear bags with a descent scope to determine what is really more accurate. But I want to see if I can shoot the gun with the factory sights before going to a scope. I have three heavy rifles I shoot from a bench and would like to keep the 15-22 light and simple.

I have a 15-22 with a Nikon P-22 2-7X32 scope. At 7x and using a bipod I can hit shotgun hulls at 50 yards with CCI AR Tactical .22lr ammo.

 

[Luger9x19]

Here is my group for the 15-22 at 50 yard, Using Venom RDS. If I do my parts I could get a 1/4 inch. using CCI SV.

M&P 15-22 Accuracy - RimfireCentral.com Forums

That there is some nice shooting.

 

[Luger9x19]

I have a 15-22 with a Nikon P-22 2-7X32 scope. At 7x and using a bipod I can hit shotgun hulls at 50 yards with CCI AR Tactical .22lr ammo.

I've got the same scope only a Burris PEPR mount. Is there a reason you have your P mounts on backwards and attached forward of the upper receiver? Looks like you have room to mount them correctly with the same eye relief.

 

[cmichael]

​

That there is some nice shooting.

Thank you, I'm still learning.

 

[smoothshooter]

It is a M&KP 15-22. MBUS sights. I don't know if I can see the targets well enough at 75 and 100 yds. Maybe out side with good light and I will paint the front post. But I think it will take using the caldwell Rock rest and my bunny ear bags with a descent scope to determine what is really more accurate. But I want to see if I can shoot the gun with the factory sights before going to a scope. I have three heavy rifles I shoot from a bench and would like to keep the 15-22 light and simple.

Some good glasses, preferably transition bifocals may help immensely with seeing the sights.
It may not be the case with you, but I am often confounded by shooters who have trouble with iron sights, but refuse to invest in a pair of properly prescribed glasses that will aleviate the problem.

 

[VaTom]

I've got the same scope only a Burris PEPR mount. Is there a reason you have your P mounts on backwards and attached forward of the upper receiver? Looks like you have room to mount them correctly with the same eye relief.

I had seen pictures of them mounted both ways when i bought the scope and mounts. I dont recall instructions coming with them. Just did what looked right to me. Any benefit to turning them around? Have a plinker tactical charging handle on it. Since the picture was taken I have bought some ten round mags as they work better with the bipod. I have also replaced the small rail covers with Knights Armament one piece military surplus covers.

The 15-22 is a great rifle. Have had it for four years and never a problem. Also have a Vortex Strikefire II that I use on it occasionally but prefer the Nikon.

 

[Luger9x19]

I had seen pictures of them mounted both ways when i bought the scope and mounts. I dont recall instructions coming with them. Just did what looked right to me. Any benefit to turning them around? Have a plinker tactical charging handle on it. Since the picture was taken I have bought some ten round mags as they work better with the bipod. I have also replaced the small rail covers with Knights Armament one piece military surplus covers.

The 15-22 is a great rifle. Have had it for four years and never a problem. Also have a Vortex Strikefire II that I use on it occasionally but prefer the Nikon.

I really shouldn't have said backwards as the P-mounts are a versatile mounting system and can be used either way. Sometimes with smaller scopes it works to use them facing each other too.

You have the forward mount attached to the quad rail hand guard. This is not ideal as it can flex from pressure from your grip or bi-pod. Flexing of the rail can impact your point of aim as the M&P 15-22 is not a free float hand guard. The cantilever design of the P-mounts allow for mounting the scope further forward, allowing proper eye relief and still keep your mount on top of the upper receiver.

I am in agreement with you on the M&P 15-22. It is a great rifle and the Nikon P-22 is amazing.

 

[VaTom]

Thanks Luger 9x19! The 15-12 is the only AR type rifle I own so advice is welcome!

 

[Ricrock]

I thought the handguard design IS free float. Any flex is because it's made of plastic. I replaced mine with the VISM aluminum 13" handguard and it's very rigid.

 

[sithlord]

I thought the handguard design IS free float. Any flex is because it's made of plastic. I replaced mine with the VISM aluminum 13" handguard and it's very rigid.

The barrel on a 15-22 is free-floated - it is not touching any part of the handguard (save perhaps the end cap on a quad-rail'd model).

The problem, in this case, isn't that the barrel is free floated, it's the fact that the front portion of VaTom's rifle scope mount is attached to the handguard.

Regardless of how 'rigid' your handguard is, or how rigid you perceive it, the handguard flexes. Period. It's PHYSICS. You can reduce this flex but you can never eliminate it.

With magnified optics, even a small - imperceptible - shift can result in changes to the point of impact. It tends not to matter with non-magnified optics, especially at distance - the 'smallest' red dot is 1MOA = 1" at 100 yards, so a 1/4" deviation can be attributed to the optics.

 

[bowzette]

Some good glasses, preferably transition bifocals may help immensely with seeing the sights.
It may not be the case with you, but I am often confounded by shooters who have trouble with iron sights, but refuse to invest in a pair of properly prescribed glasses that will aleviate the problem.

Agreeded. But my eye doc. is a shooter and I've tried several ways to deal with this to include one lense for front sight and the other for the target. Thus far the best solution I've found on my own with "cheaters". One pare is for handgun out to 25 yards. The front sight is clear and the target is fuzzy. I couldn't bullseye shoot like this but for action shooting it's fine. The other pair gives me about 80-85% on the front sight and 80% on the target at distance. If I can't shoot factory sights without correction this is what I try next. Otherwise it's a scope. Very fine target grade peeps work best for me. Of course that isn't what's on the M&P. Cataract surgery gave me 20/20 distance but for reading, computers (front sight) I need correction. My 20/20 doesn't kick in until 3-5 yds.

 

[fdw]

I mostly shoot mini-mags through my 15-22 and they are good to go at 100 yards off hand with a red dot.

Federal 40 grain target seem to do well too. I've had very few malfunctions since buying the gun, none with mini-mags.

 

[old&slow]

Sometimes a .22 can be picky about what ammo you feed them.

Many years ago I purchased a Clark Custom Ruger 10/22. Picked up a few boxes of $5 - $10 a box Eley & RWS ,, some CCI Green Tag, Federal ,, etc. etc.
50 yards from a bench rest, with a Burris Bench Rest scope, the $14.99 a brick PMC SV shot as good as any of them in that gun.

In most of my .22 handguns CCI mini-mag work fine. But, I have a .22 Marvel conversion that seems to prefer Aguila Super Extra SV and hates mini-mags.
My brother has a Ruger Mk II that shoots great with anything you feed it..

Sometimes .22's are picky ,, sometimes not..