MajorSharpe Posted August 15, 2017 Share Posted August 15, 2017 I'm looking to buy a cheap second hand M4 and upgrade it slowly to a DMR. In an ideal world I would love a 15" barrel rail and bipod with FPS around 400 mark and good hop up and a nice tight ol' barrel. but of course its all money. I also have no clue about custom building but i enjoy abit of tinkering trickery. Any advice on the matter would be great! Link to comment Share on other sites More sharing options...
Supporters Lozart Posted August 15, 2017 Supporters Share Posted August 15, 2017 This is a good place to start http://www.airsoftsniperforum.com/43-longrange-aegs/892-holy-grail-building-your-dmr-aeg.html Link to comment Share on other sites More sharing options...
MajorSharpe Posted August 15, 2017 Author Share Posted August 15, 2017 I'll give it a read. Thanks Link to comment Share on other sites More sharing options...
MajorSharpe Posted August 15, 2017 Author Share Posted August 15, 2017 Hey Lozart would any of these be a decent rifle to work on http://www.ebay.com/itm/Airsoft-Gameface-M4-AEG/172815081058?hash=item283c94de62%3Ag%3A1-0AAOSwKBNZjEuz http://www.ebay.com/itm/Airsoft-Lancer-Tactical-M4-AEG-Metal-Gearbox-With-Extras/122648000480?hash=item1c8e63f7e0%3Ag%3ATMgAAOSwighZiTYv http://www.ebay.com/itm/csi-airsoft-m4-carbine/142476547054?hash=item212c4393ee%3Ag%3Az3UAAOSwTLxZhfgp Link to comment Share on other sites More sharing options...
Supporters Lozart Posted August 15, 2017 Supporters Share Posted August 15, 2017 5 minutes ago, MajorSharpe said: Hey Lozart would any of these be a decent rifle to work on http://www.ebay.com/itm/Airsoft-Gameface-M4-AEG/172815081058?hash=item283c94de62%3Ag%3A1-0AAOSwKBNZjEuz http://www.ebay.com/itm/Airsoft-Lancer-Tactical-M4-AEG-Metal-Gearbox-With-Extras/122648000480?hash=item1c8e63f7e0%3Ag%3ATMgAAOSwighZiTYv http://www.ebay.com/itm/csi-airsoft-m4-carbine/142476547054?hash=item212c4393ee%3Ag%3Az3UAAOSwTLxZhfgp Not unless you're in the US. Depends how far you're going to go in terms of replacing parts. If you're just looking for a metal shell and you'll replace all the gearbox etc then you could do worse than having a look at buying part guns here http://www.airsoftspareparts.com/index.php?route=common/home Look in the classifieds here for M4's or post a Wanted ad for a boneyard M4 to use as a base. I've just picked up a Tokyo Marui boneyard M4 for £50 so you can certainly get something better than all three of those for the money! Link to comment Share on other sites More sharing options...
MajorSharpe Posted August 15, 2017 Author Share Posted August 15, 2017 Oh this is what I've been looking for, cheers! Link to comment Share on other sites More sharing options...
MajorSharpe Posted August 15, 2017 Author Share Posted August 15, 2017 Are these good enough? Body - http://www.airsoftspareparts.com/index.php?route=product/product&path=59_61&product_id=1599 Inner Barrel - http://www.airsoftspareparts.com/index.php?route=product/product&path=59_86_90&product_id=1800 Outer - http://www.airsoftspareparts.com/index.php?route=product/product&path=59_64&product_id=1786 Also could you reconmend a gear box for me please? Link to comment Share on other sites More sharing options...
Hangtight Posted August 15, 2017 Share Posted August 15, 2017 You want an inner barrel that's shorter for a DMR, so you get a more favourable cylinder /barrel ratio to suit heavier BBs. The Specna Arms receivers are good looking and nicely made, but you really want to check that the outer barrel is a good fit as that joint wants to be good and solid. A JG or G&P 8mm gearbox will be up to the job of handling a M120 spring, but a heavier piston will be a better match for heavy BBs, so look out for something like the Lonex red. Consider a decent programmable Mosfet that supports pre cocking for instant trigger response, and to make it simple to lock the gun to semi auto only so it can actually be used as a DMR at skirmishes. Link to comment Share on other sites More sharing options...
MajorSharpe Posted August 15, 2017 Author Share Posted August 15, 2017 how much shorter? Link to comment Share on other sites More sharing options...
Hangtight Posted August 15, 2017 Share Posted August 15, 2017 360mm with a full cylinder (ie no ports) and 0.32g BBs works. Link to comment Share on other sites More sharing options...
MajorSharpe Posted August 15, 2017 Author Share Posted August 15, 2017 Okay thanks for the tips. Link to comment Share on other sites More sharing options...
MajorSharpe Posted August 15, 2017 Author Share Posted August 15, 2017 http://www.airsoftspareparts.com/index.php?route=product/product&path=59_86_90&product_id=1636 and could you possibly send me a link of a gearbox please? Nothing too expensive as this is my first project. Link to comment Share on other sites More sharing options...
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