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Best KM4 (SR7) upgrades

SR7 Inner barrel Externals Internals

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#1 Earkfeld

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Posted 25 March 2013 - 06:57 PM

What are the best external upgrades or internal upgrades (or gearbox replacement parts)?

What I have:

KWA SR7
Magpul MBUS Rear
Holo Sight, long type
Daniel Defense Mad Bull 7 inch lite RIS
UTG Ergonomic Veritcal Grip
Flashlight on scope mount
Noveske Flash Hider
Matrix 1600mah 9.6v nunchuk battery
11.1v 1800mah LiPO
2 KWA high caps
1point bungee sling
Cheap Bipod (to prevent accidental pole vaulting the barrel)


What I am considering:

Madbull 247mm 6.01mm aircraft aluminum tight bore
Charging handle tactical latch
Magpul PTS AFG 2

I am open to any suggestions internally or externally. If there is something better than what I have listed then that would be great too.

Thanks

#2 vanevery

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Posted 25 March 2013 - 07:10 PM

External:
What are your specific needs/wants for accessories?
What over-all look are you going for?

Internal:
What are your specific performance goals?
ROF, FPS, Range?
What are your limits regarding inner barrel length?

#3 Chuck S

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Posted 26 March 2013 - 03:16 AM

Ya looking for "form" or "function"?

-- Chuck

#4 Earkfeld

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Posted 26 March 2013 - 04:47 AM

More function. I can get around 300 ft of range using .2s on a stock barrel, and I'd prefer to keep the length for cqb, but it has the range for field. ROF is ridiculous already, the fps could be a little higher, and a little more range is always great. But why compromise between form and function? I want a shorter grip to keep. Lower profile, keeping it compact, yet maximizing performance. I am experienced enough to do any internal work because I have rebuilt a v2 from the ground up. Also, I was looking at the Magpul ACS stock, but it does not work for batteries, which was a disappointment

#5 Earkfeld

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Posted 26 March 2013 - 09:30 AM

also, i am looking at the 416 stock aswell

#6 andye

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Posted 26 March 2013 - 01:49 PM

View PostEarkfeld, on 26 March 2013 - 04:47 AM, said:

More function. I can get around 300 ft of range using .2s on a stock barrel, and I'd prefer to keep the length for cqb, but it has the range for field. ROF is ridiculous already, the fps could be a little higher, and a little more range is always great. But why compromise between form and function? I want a shorter grip to keep. Lower profile, keeping it compact, yet maximizing performance. I am experienced enough to do any internal work because I have rebuilt a v2 from the ground up. Also, I was looking at the Magpul ACS stock, but it does not work for batteries, which was a disappointment

300ft with 0.2s? That's some gun!

#7 niko_gpsy

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Posted 26 March 2013 - 05:31 PM

Hmmmm...................300ft range using 0.20g bb's...............................on what planet is this occurring?

#8 hellcat

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Posted 26 March 2013 - 05:44 PM

View Postniko_gpsy, on 26 March 2013 - 05:31 PM, said:

Hmmmm...................300ft range using 0.20g bb's...............................on what planet is this occurring?

off the top of mount everst...... :shocked:

#9 airforceloner1

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Posted 26 March 2013 - 07:43 PM

My KM4 RIS Internals include...
G&G aluminum ported piston head
Eagle Force Aluminum Cylinder Head
Madbull M120 Spring
Modify R-Hop Hopup bucking
Angel Custom Steel 6.01 Tightbore Barrel. (lubed with FrogLube)
Battery
Intelect 9.6v 2000mAh battery


My KWA SR10 Internals include.
G&G aluminum ported piston head.
Eagle Force Aluminum Cylinder Head
Systema M130 spring
Modify R-Hop Hopup bucking
Angel Custom Steel 6.01 Tightbore Barrel. (also lubed with FrogLube)
Battery
Intelect 10.8v 1800mAh battery

#10 andye

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Posted 27 March 2013 - 02:44 AM

View Postniko_gpsy, on 26 March 2013 - 05:31 PM, said:

Hmmmm...................300ft range using 0.20g bb's...............................on what planet is this occurring?

my thoughts too but i was being polite :scared:

#11 Earkfeld

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Posted 27 March 2013 - 05:06 AM

Sorry! Typing on iPad hit 3 instead of 2

#12 vanevery

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Posted 27 March 2013 - 03:05 PM

View Postairforceloner1, on 26 March 2013 - 07:43 PM, said:

My KM4 RIS Internals include...
Angel Custom Steel 6.01 Tightbore Barrel. (lubed with FrogLube)

My KWA SR10 Internals include.
Angel Custom Steel 6.01 Tightbore Barrel. (also lubed with FrogLube)

How are those Barrel windows cut?
KWA spec, TM spec, Brand Specific?
DIY Elongate of barrel window at all?

#13 Earkfeld

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Posted 28 March 2013 - 06:29 PM

I'd prefer to keep it pretty much the same.

What I'm looking at internally

ASCU Gen 3 Fire control
Devil Jet Motor
Polycarbonate full steel tooth piston
Madbull 6.01 tight bore 247mm
Speed trigger(when find one, they're always out of stock)

#14 gcw360

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Posted 30 March 2013 - 07:30 AM

View PostEarkfeld, on 27 March 2013 - 05:06 AM, said:

Sorry! Typing on iPad hit 3 instead of 2
Thank you for clarifying.....I was starting to feel inadequate...





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