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| Is the M1a1 spring length a stamdard spring? http://forum.alienslegacy.com/viewtopic.php?f=4&t=10794 |
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| Author: | Bagpuss [ Mon Oct 31, 2011 9:56 pm ] |
| Post subject: | Is the M1a1 spring length a stamdard spring? |
Well I have my PR built now. The spring had to be quite considerably clipped to get to 350fps. Has anyone upgraded/downfpgraded their spring? Ive got an ASG vented piston head to get a good seal and tightbore, but it looks like a reguar v2 M100 spring would be too long. |
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| Author: | AaronHorrocks [ Tue Nov 01, 2011 3:33 pm ] |
| Post subject: | Re: Is the M1a1 spring length a stamdard spring? |
I put in an M100 spring and a tight-bore barrel in my TM M1A1. I didn't notice anything unusual about the spring length when I upgraded that gun about 8 year ago? |
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| Author: | FIDO [ Tue Nov 01, 2011 7:46 pm ] |
| Post subject: | Re: Is the M1a1 spring length a stamdard spring? |
its standard spring lenght but spring lenght differs from brand to brand (i mean aftermarket springs) |
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| Author: | Bagpuss [ Tue Nov 01, 2011 9:41 pm ] |
| Post subject: | Re: Is the M1a1 spring length a stamdard spring? |
Thanks guys. The kings arms piston head has awful compression so I put in an ASG one and the fps went up considerably. I chopped on an additional 1.5 coils. i think I'll give a standard m90 spring a go as i think an m100 may be too much. |
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| Author: | AaronHorrocks [ Tue Nov 01, 2011 11:54 pm ] |
| Post subject: | Re: Is the M1a1 spring length a stamdard spring? |
Go with the M90 spring first, and if that's not enough, try a tightbore barrel. It will give you a small boost in FPS (say 10~20 for a short barrel like an M1A1) and also accuracy. I always recommend a tightbore barrel upgrade. It's one of the easiest things to do, and it does make a noticable difference. If the barrel's internal diameter is 6.03mm, and you're using a high end ammo that's consistantly 5.95mm or better, your BB will be making a snugger fit in that barrel, and more of the energy from the action will transfer into the BB. |
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| Author: | Bagpuss [ Wed Nov 02, 2011 10:11 pm ] |
| Post subject: | Re: Is the M1a1 spring length a stamdard spring? |
yep ive got a mad bull v2 tightbore at the moment. Im planning to put a tk twist in there later as ive found them to be phenominal range and accuracy ( i play in doors so near zero cross winds) |
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| Author: | DW [ Fri Nov 04, 2011 2:09 am ] |
| Post subject: | Re: Is the M1a1 spring length a stamdard spring? |
Indoors with 350fps? brutal. |
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| Author: | Bagpuss [ Sun Nov 06, 2011 3:57 pm ] |
| Post subject: | Re: Is the M1a1 spring length a stamdard spring? |
yep, but auto is not allowed. Normally Most of my AEGs put out around 330 to 340 as that gives a nice range outdoors. I've just ordered an m90 so I'm hoping for around 330 with tightbore and decent piston head. Idid a full auto game indoors, yep it was brutal and I looked like a purple Mr Blobby the next day. |
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| Author: | Bagpuss [ Mon Nov 21, 2011 9:45 pm ] |
| Post subject: | Re: Is the M1a1 spring length a stamdard spring? |
As an update, I put in an ASG ultimate head and nearing spring guide, madbull 6.03 barrel and m90 spring. Gives a nice 330 ish which is a balanced power. Very good on semi, blowback mod works well. The only funny is that on semi it sometimes stops with the cut off engaged, so needs a quick auto. An AB mosfet should sort that out. |
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