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Initial Impressions of the TM SOPMOD M4 AEG

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Someone here that have upgraded the tm/army (newer gen) m4 to 435 fps/130ms?

 

The internals are no problem...but the gearboxshell, will it hold?

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Yeah ive got some, if not the new order will be with me soon. Ever japan order i tack on a firefly order.

 

Super, I need to order a flat nub soft from you then. Can the same soft combo also be used in a SCAR L?

If so, then I need 2 soft flat nubs and one soft hop rubber.

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Someone here that have upgraded the tm/army (newer gen) m4 to 435 fps/130ms?

 

The internals are no problem...but the gearboxshell, will it hold?

 

Yeah my sopmods running 430, its got the hard firefly rubber and nub BUT id have to say i would prefer running a softer nub or rubber combo at some point, becuase of the hardness it means i have to run v heavy ammo for good results, seems all over the place on less than 0.30.

 

Unfortunatly hop rubbers are greatly affected by temps so i cold country will get largely different results from a hot country.

 

@TK - I believe the nub doesnt fit in the scar if memory servers but it might if you trim it a little. Not like it takes longer than say 5 mins to get the hop out though.

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I remember the first time I tried to pull off the hop unit from the SOCOM/SOPMOD barrel.... It took some strength to yank it off... I thought at some point I was gonna break it in two..... Marui must superglue them out of the factory... :D

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Go for the hard nub and run the heaviest BBs you can without losing energy at the muzzle you will get FAR more range.

 

I'm generally running 0.25's but have about about 17000 rounds of 0.2's to finish off first though... lol

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A question for Richardy... I have a spare unused E6 M110 spring lying around. If I cut off a coil or two could I use that in my SCAR to try and get the speed below the magic 350fps? I haven't even used to spring so i'm not sure what it would chrono at?

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Does anyone know if the bolt stop mechanism (on the gearbox) is available or has one spare.

 

A buddy of mine just got hold of the Army R50 and I was hoping we could retrofit this part and give him the bolt stop function.

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I thought that all newer Army m4 (tm clones) have the boltstop function....mine had it (R50).

Maybe Army is not that consistent in making the R models?

Edited by appslapp

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Is it safe for me to use the sopmod stock configuration on a 9.6v battery? Will the stock marui last as long as an 8.4?

In a word yes , ran mine (and I think most non lipo users) on 9.6'ers for ages , matter of fact don't think I've ever mete any one using 8.4s in there's .

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A question for Richardy... I have a spare unused E6 M110 spring lying around. If I cut off a coil or two could I use that in my SCAR to try and get the speed below the magic 350fps? I haven't even used to spring so i'm not sure what it would chrono at?

 

Youd have too cut a fair few off i reckon prob come in at 370 i reckon as is.. depending on how much hop you run i guess, on the plus side all recoil guns no mater what thrive on shorter the better.. especially when it comes to the 400+ springs. Its better to go 1 extra when picking a size then cut it extra off. I know if i make an m130 it will have substaintially less coils than the current m120.

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latest incarnation of my Sopmod , HK 416 ;

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JG RIS unit , ACM HK pistol grip , ACM stock and a G36 long rail epoxyed and Mil puttied to the reciever top to raise it up to match the hight of the RIS unit .

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