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Hey guys, I'm looking to buy a custom built V2 gearbox for my new G&G SR25 and I'd rather pay a company to build one with the bits I specify/take into account there recommendations too in order to ensure it's shimmed properly and correctly put together - Anyone recommend any UK Airsoft stores that would do this? I'm looking at basically specifying a load of parts such as heavy duty gearbox housing (I hear some of them are prone to cracking with larger rate springs), high torque gears, an SP130 sping and anything else anyone recommends to build a gearbox suitable at firing approx 450 FPS for my new 'DMR' build. Cheers, Bobby

Evening guys, thank you very much for all your replies today - loads of things for me to look into now, I really appreciate all the links and responses guys! @Chris801 - Not really, never really thought about it, I more just felt that the gun looks pretty sweet on BF3 and could see myself occasionally running a DMR Thanks again guys! Bobby

Morning all! I've recently bought an G&G SR25 (GR25) and looking to get it kitted out with a scope and a Bipod, I'm actually looking for a scope that looks the same (or very similar) to this one pictured below... Does anyone know the real-world name/model for this scope (yes, it's the one from BF3 but can't find anything online as to what the real-world name is) or one simular that I can buy - I basically really like the appearance of it (the knob positioning and the difference in size of the front and back lense housing) Thanks all and hopefully someone will be able to help me out Bobby

Cheers for the additional advice guys, really appreciate it - I'll have a good think about the bits I'll be getting then. The firefly bucking looks good as it has two points of contact - if however this doesn't really matter and not really notice that much performance I guess I'll just go for a TM bucking - Is performance/accuracy greatly improved with a firefly (two point contact bucking?) Thanks again guys, Bobby

Thanks for your responses guys and especially DEDSEC, that is exactly the kind of reply I was hoping for - You've certainly given me a few things to think about, I've had a quick look online at the parts you've mentioned and plan to buy them but would you mind just checking the links below to make sure they are what you have? http://www.fire-support.co.uk/product/madbull-black-python-ver2-603-mm-tight-bore-barrel-455mm http://www.fire-support.co.uk/product/madbull-ultimate-3-in-1-hop-up-chamber-unit-for-m4-m16-series-free-blue-hop-bucking http://www.fire-support.co.uk/product/fire-fly-hop-up-packin-for-marui-aeg-soft http://www.fire-support.co.uk/product/fire-fly-buffer-rubber-for-marui-aeg-normal Apparently G&P no longer make the M140 motor (in the Long version) so I'll probably get one of these instead as for the Deans connectors, I personally always change the stand Tamia connectors for Deans so no problem there , I'll also pick up a M100 spring too (and let it bed in to settle to my site limit ) Thanks again for your reply and if you can spare me just a few more minutes that would be very much appreciated Thanks, Bobby

No problem buddy. just PM me when you need some web space etc

Hi all, I'm hoping the more 'techy' amongst you will be able to help me out... I've recently bought a Umarex (VFC) HK416 (CQB ver) and had my first proper game day with it yesterday... It performed ok but I'd like to get the gun to chrono higher than 290 FPS (ideally the 350 FPS mark) as well as add a larger tight bore barrel to it especially since I've now added a 180mm silencer (this one) to the gun, I could make use of the extra space to increase accuracy I guess! So from research I've done so far (on YouTube), adding a new barrel seems fairy simple (well once you've got the hop-up unit added to it) so I plan to remove the old barrel and hop-up unit as one piece and leave it as a spare or in case in future I plan to remove the silencer again. So really I'm looking for advice on the following items I guess: 1) Best spring? (My site limit is 350FPS (absolutely no higher than 370FPS) so I guess I should be looking for an M100 spring?... I've heard that Guarder or Systema are probably the best?) 2) Best tight bore barrel you guys can recommend (455mm, I'm assuming best to go with 6.03mm width as 6.01mm version may jam a little too much for my liking) anyone used or recommend this MadBull one any good or recommend another brand over the Madbull one? 3) Best (complete - I'll need the bucking rubber too etc.) hop-unit? This is my first real DIY upgrade after replacing motors etc. and money isn't really too much of an issue as I personally feel that you get what you pay for and I'd rather get the *best* bits I can now rather than get 'better' bits and maybe regret them later. I know that this post may open a whole load of 'what do you mean by best' questions but I guess what I'm asking is, if you was upgrading these bits what would you upgrade them with (if money wasn't an issue - within reason of course, I'm not going to pay £500 for a hop-up unit ), you guys have more experience than me in upgrading guns and the quality of certain manufactures products etc. Thanks all and I really appreciate any advise and if possible part numbers/site links so I can buy them Thanks again, Bobby

Well being a web developer myself and I'm pleased to see you are interested in building your own website (much more personal that just a Facebook page )..... I've got my own server and if you want I'm more than happy to give you a free account (access to my control panel) so you can host your own site/forums etc... If you're interested drop me a PM and I'll sort you out an account Cheers, Bobby