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Tippman M4-22 Pro Pistol Range Report

532 views 8 replies 4 participants last post by  Jeepster360  
#1 ·
I got a good deal for the Tippman M4-22 Pro Pistol at the LGS a couple days ago. Unfortunately the Hiper-Fire trigger I had laying in the parts box won't fit due to the OEM plastic safety. I also tried the Velocity drop-in trigger. It won't fit, as well, due to the OEM safety.

I have a Hiper-Fire safety ordered and will hopefully, arrive this week. Hopefully the safety and trigger will be compatible and I can get the pull weight to a tolerable level.

So my only criticism on this pistol is the trigger pull. In the interest of full disclosure, I must confess to being a trigger snob.

So even though today's experience with the M4-22 pistol was the most fun I've had in a long time it was also painful. I'm not use to that heavy of a trigger pull. I'm typing up this report with liniment on my finger and will put some ice on it after I'm done typing.

That's my only criticism.

I installed a Holusun 510C GR sight and a SIG suppressor on the pistol. I only tested two types of ammunition; Norma TAC-22 and CCI 45 grain suppressor. The TAC-22 was awful. I stopped with the CCI fodder as I wanted the benefit of subsonic ammuntion for sound suppression and it was accurate!

This is the group that I got during the zeroing process.

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After zeroing it was fun time by blasting away at steel. These are the 50 yard groups that I got from the bench today.

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We have some steel targets set up at 100 yards and I had some fun shooting at the coyote and IPSC targets. Here's the view from the Holosun. The photo shows the approximate aim point to compensate for the drop of the 45 grain bullet. I actually have to put the dot in the bottom of the "V" formed by the coyote's ears to get hits. It was a little difficult getting the picture taken and steadying the gun at the same time.

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The fruits of my labor at 100 yards.

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I will follow up on the installation of the Hiper-Fire trigger and safety in this thread. Out of the box, the trigger pull measured about 5 1/2 pounds. After lubricating the sear and the disconnector with Moly-Lube the pull weight went down to about 4 1/2 pounds.

That's all for tonight. I'm going to put my finger on ice.
 
#2 ·
understood on being a trigger snob, I use triggertech diamonds in everything possible. My 16” Tippmann accepted an ar15 two stage pro curve t without issue. The micro elite bug out has diff bcg which won’t accept a tt. Rather than continuing to futz around I swapped the trigger spring for a JP Reduced Pull Trigger Spring, made a considerable difference By lowering to 2 lbs.
 
#3 ·
I was surprised to hear that you were having issues with the triggers the Pro's and Elite's typically readily accept most triggers. As to the issues with triggers on the Compact Bolt that comes with the Bug Out and some Micro pistol models that is an issue with the GEN 2 Compact Bolts. Tippmann widened the cut in the Compact Bolt on the GEN 3 models and they now play nice with many drop in triggers.
 
#9 ·
Of course they did! Why is it when every time I buy a Tippmann they make improvements about a year later? They knew people would want to upgrade the trigger. They had to change the rifle to fit aftermarket triggers so they know better. Why didn't they just make the cut wide enough in the first place? Can you use the new bolt in the older bugout?

John
 
#4 ·
I got the Hiperfire Hiperswitch (safety). It made a difference with the installation of the Hiperfire Eclipse trigger. The only problem that I ran into with today's range session was that sometimes the bolt would not stay open after the last shot.

I think that might be due to the toggle springs in the trigger assembly. I elected to use the heaviest toggle springs which increases the hammer force while lightening the trigger pull. So with the heavier toggle springs pushing against the bolt, it might not travel back far enough to engage the bolt catch.

I think I might try the middle set of toggle springs. This will increase the trigger pull but lighten the hammer force against the firing pin.

Accuracy was still about the same. However, the POI was different when I shot today. Perhaps this might have something to do with the amount of force striking the firing pin which would affect the primer mixture firing and then the burn rate of the powder. That's my theory.

I got a couple of new targets. The snake and rat are rather fun to shoot. As before, the 100 yards targets were also fun to shoot. The target to the left of the coyote is 4 inches in diameter. That's not bad for a brace pistol in 22LR with a reflex sight.

The big golden gong was donated by a fellow club member. Notice the different zones. Depending on where the bullet hits, the tone will be different.

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I wanted to sight in the laser on the weapon light. So I painted the rat a gold color for reflectivity. It was, otherwise, too light to see the laser dot. The photos below are the fruits of my labor but the sight is still a little off. I will try to refine the settings later.

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#5 ·
I do have another criticism for the M4-22. The ejector gets in the way of the cleaning rod when cleaning from the breech. There is a video on removing the ejector but I also read that on newer models, the ejector cannot be removed, which I can confirm.

So the only way of cleaning the bore is from the muzzle.