Army Armament R85 (L85A1)

[Apex]

Might have the blowback unit some where here, i'll have a dig around.

[The Chef]

I've got hundreds of the buggers if you get stuck.

 

I disabled all our club guns blowbacks, so have about 50 kicking about.

[cougarkiller]

I just put in a G&P m16 Hop unit it's blue.. all metal... it figured alll of my jamming problems with my gun. Plus the FPS went up.. which is wonderful. I do recommand this hop-up unit.

 

- ian

[ben3265]

does anybody know where i can get an A2 cocking handle for my r85? i cant seem to find one anywhere

Edited January 1, 2009 by ben3265

[rwoodcock01]

does anybody know where i can get an A2 cocking handle for my r85? i cant seem to find one anywhere

 

Right if memory serves the R85 is a clone of the G&G L85, so in theory this should work:

 

http://www.fire-support.co.uk/store/comers...?idProduct=3213

 

It's for the G&G version but it should fit, give fire support a ring and see if they know for sure, if not try your luck.

 

Cheers

 

Rich

 

[M4_Fanatic]

The A2 cocking handle fits the R85. I've done it with mine

 

A bit of warning though, it might not go in straight away. I just forced mine in.

 

The AA cocking handle screws in/out, but the G&G one looks like it doesn't, so I just popped it in.

 

Failing fire support, do what I did and get the cocking handle directly from G&G - but it did cost me over 20 quid.

 

PS: I'm still trying to find a spring I don't smoke so asking my smoking mates and they said it'll take them a while

Edited January 2, 2009 by M4_Fanatic

[rwoodcock01]

The A2 cocking handle fits the R85. I've done it with mine

 

A bit of warning though, it might not go in straight away. I just forced mine in.

 

The AA cocking handle screws in/out, but the G&G one looks like it doesn't, so I just popped it in.

 

Failing fire support, do what I did and get the cocking handle directly from G&G - but it did cost me over 20 quid.

 

PS: I'm still trying to find a spring I don't smoke so asking my smoking mates and they said it'll take them a while

 

If your after blow back spring, what about here:

 

http://www.fire-support.co.uk/store/comers...?idProduct=2356

 

or Here:

 

http://www.zerooneairsoft.com/erol/erol.html

 

enter product code: "G-10-053" in the search and you get the same result.

 

The kit should have the same springs.

 

Cheers

 

Rich

Edited January 2, 2009 by rwoodcock01

[M4_Fanatic]

I feel like an idiot now!

I swear I didn't see those when I googled a few weeks ago! (or I'm blind ). Thanks for the links.

 

On another note, anyone willing to sell me their unwanted springs + hooks for less than firesupport + zero one (the cheaper the better, because I'm a cheap b@stard)?

 

Edit: Actually, I just need the springs.

Edited January 3, 2009 by M4_Fanatic

[rwoodcock01]

I feel like an idiot now!

I swear I didn't see those when I googled a few weeks ago! (or I'm blind ). Thanks for the links.

 

On another note, anyone willing to sell me their unwanted springs + hooks for less than firesupport + zero one (the cheaper the better, because I'm a cheap b@stard)?

 

Google is not always the best way to search, I tend to search directly on the online shop page normally gets me better results.

 

Been searching ages for R85 stuff as I am re-building my one, using a JG HK416 at the moment, lovely as it is I miss using a the R85.

 

Cheers

 

Rich

 

[wootoow]

Hey

 

Ive had my L85 for about 6 months now. I've done all the recommended tweaks to the mechbox: changing gears and put the spacer between piston and pistonhead. Now my gun decided to break down anyway. Pistonhead had broken apart. The piston had also lost some of its teeth, which shouldn't happen with these mods as far as I know. Teeth were shredded from both ends of the piston. Middle remained safe. Even the single metal tooth on the front had cracked in half.

 

The problem is what caused all this to happen? Too high ROF (9.6V battery), M120 spring or low-quality piston and pistonhead? Im going to have to buy new piston and pistonhead anyway so recommendations are more than welcome.

 

Also, would it be possible making the cylinder head longer, thus removing the need of putting spacer between piston and pistonhead?

 

Thanks for the help

Edited January 5, 2009 by wootoow

[SwatMP5man]

Prometheus hard piston and prometheus piston head should do. Make sure the angle of engagement is okay to as this may be causing the wear at the teeth to the rear of the piston.

 

If you were running the stock piston and head thats probably the reason as i doubt they're built to handle an M120 and the RoF 9.6v brings.

[wootoow]

Of course I weren't using the stock piston. I had spacer installed inbetween piston and pistonhead and that would've made it quite long.

 

Point is, I dont want to buy new pricy piston and soon find half of the teeth gone due to too high ROF or something else. Therefore I need to know if this was caused by high rof or bad piston and pistonhead.

[rwoodcock01]

Hi,

 

you say you had the spacer kit installed did you also replace the sector gear, my kit from Redwolf had the spacer and the gear as well? (mine was the version 2 kit redwolf did).

 

I than used a systema piston head and a systema M110 spring and mine worked grand.

 

It may have broke if you did not replace the gear as well.

 

Just a thought as I am trying to avoid working for five minutes.

 

Cheers

 

Rich

 

[wootoow]

Yeah, I also have the sector gear replaced. Gears are all fine. I didnt buy spacer kit from redwolf or anywhere else though. I used the weight inside the stock marui piston, which should be fine to use as spacer.

[zimex]

wootoow, the best thing would be to buy the Deep fire Titanium V2 piston, a bit expensive, but it will last a very long time trust me. About the piston head Prometheus POM is good, and take the rubber from the original piston head cuz it's bigger. (or find it elsewhere)

 

9.6v (mean High RoF) + M120 is not really recommended i think you should go for a M110 or M100 spring because up too M110 you may have to get some high-torque stuff in your gearbox (such as high torque new motor and gear set but don't forget taht the spur gear is particular to this Gearbox), you have to choose between RoF and power, mate

 

i think the spacer still the best solution, getting a longer cylinder head will occur problems with the air compression.

 

here is my review if you can read french : http://www.france-airsoft.fr/forum/index.p...howtopic=105832 (otherwise take a look to my beautiful pics )

Edited January 9, 2009 by zimex

[Erik Cartman]

 

I just took some measurements.

 

The redwolf spacer is 9.6mm thick. The Marui lump of aluminum inside a stock piston is 7.8mm thick. I think there is answer to your rack gear grinding problem.

 

I'm against metal pistons as it's cheaper to replace a broken piston than a broken sector gear, or all the gears for that matter.

 

I bought the redwolf spacer kit but I haven't got round to install it as I found out the sector gear needs to be changed as well. The redwolf sector gear is of the Marui style (looks fragile) as opposed to the "swiss-cheese slab of steel" style. I'm not convinced that it is going to last.

 

Erik.

 

 

 

 

 

 

[Erik Cartman]

 

I've started to use 7.4V LiPo 2200mAh batteries on both the G&G and Army. One battery will last an entire day's shooting. More convenient than 8.4V NiMH 1400 mAh, which runs out after about 5 mags (I might just have a bad battery).

 

If you run a 9.6V battery on a weak spring, the gun may cycle again before the spring and piston have returned to "neutral" and as a result, the rack and sector gears crash into each other with the stock long piston and extra gears. I'm not entirely sure whether the space mod eliminates this problem.

 

Erik.

Edited January 12, 2009 by Erik Cartman

[zimex]

hi guys,

 

here is a couple of pic from my R85 turned into L85A2 with G&G Handguard (material is really better and the colour too) + A2 style cocking handle

 

Inside gearbox i have bearings (kanzen classic 6mm), piston deepfire+spacer kit, original spring and sector gear marui.

And inner barrel is a 6.03 Prometheus 509 mm + Hopup (and bucking) guarder.

Thanks to the kanzen bearings i've upgraded the RoF with the same 8.4v battery.

 

 

 

Edited January 22, 2009 by zimex

[Erik Cartman]

 

Hey,

 

What mods did you make to fit the ACOG?

 

Thx.

 

Erik.

[rolling-thunder]

Hey,

 

What mods did you make to fit the ACOG?

 

Thx.

 

Erik.

It doesn't need any modifications,the ACOG will fit straight on.

RT

 

[Erik Cartman]

 

Oh no. RT again. Caught me asking the same question.

 

Let me explain my woes. My ACOG as a bog standard 1913 type mount. It has two bolts. One of the bolt is flush with the underside of the mount. The other bolt sticks out underneath to lock into the groove of a 1913 rail. So, If i mount it on a dovetail rail, the scope is tilting.

 

Erik.

[mabbz]

Zimex, Did you use the Star A2 cocking handle? if so how easy is it to fit onto the weapon?

[zimex]

The A2 cocking handle used is the G&G one, it fits well you just need to screw it instead the old one.

 

@Erik Cartman : My ACOG fits without any modifications. It's the G&P.

 

As you are using a 7.4v Lipo battery is it good ? No problems ? I'm thinking about using one too !

Edited February 12, 2009 by zimex

[Hop2]

Where can you buy a 7.4v lipo battery and what are the advantages?

[Erik Cartman]

 

I'll go to the shops to have a look at a G&P. My two ACOGs are cheap clones.

 

7.4V LiPo gives no problem at all. Just a bit slower.

 

Erik.