DarkLite

1) Lots of companies make 90degree pistons, you can look at Action Army, AirsoftPro, Edgi, Laylax, WASP etc. 2) Teflon ring wise, I believe Laylax sell replacements, or you can even get a 3d printed set off the interwebs 3) Get yourself a 50 or 60 degree MapleLeaf Super hop up rubber and remove the barrel bridge from your barrel, then get either a MapleLeaf or AirsoftPro concave hop arm and do the TDC mod. You'll not regret it! 4) As long as the bore finish on your inner barrel is still good, stick with it. If you want to replace it, a good budget option is the MapleLeaf Crazy Jet, and if you want to spend lots of money, Edgi is still around and still very good. 5) Action Army are good, Laylax or PDI are also good. 6) BLS and their rebrands (Longbow, Geoffs etc). Go as heavy as you are allowed to and you have cylinder volume for. 7) Skirmshop.nl or AirsoftPro.cz are both good choices Hope that helps!

Fingers crossed it uses TM spec GBB internals.

Possibly related - I had an older batch of the ELEMENT red plastic pro-win clone units that all worked very well, but when I restocked recently the newer batch all have 'headspacing' issues - they are all way too tight around the feed lip area and no hop up rubber will work with them. Very annoying. Confusingly, the new Super versions are also pastel coloured. You want the ones that have a wavy seal on the outside, like so:

The Macarons are good, but there's a caveat - the feed lips are longer than standard TM spec, which means they don't work with every hop up unit - sometimes they work fine, sometimes they end up giving you instant compression jams. If you can get a hold of the newer "super" AEG Mapleleaf rubbers, they have a better contact patch design and shorter feed lips that work with most hop up units on the market.

I'm interested in the MP5 because stamped steel MP5? Yes please. I'd probably disable the EBB straight away though.

It fits into the upper receiver, underneath the ejection port. Holds the fake bolt plate and its return spring.

Nice one! Bit of an oversight from LCT there...

Sounds like you have a compression jam causing PME.

Milspec-ish. Milspec will fit best

He has a restrictor disc installed to reduce the power output to UK legal levels. As for gas efficiency, have you checked the seal on the nozzle o-ring?

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Aye, you'd think that RATech would actually test things before selling them though, tolerance issues become apparent the moment you try to cycle the bolt. Madness.

Magwell conversions aren't possible, alas, as the gas routers and feed lips etc don't line up. Are you having issues with the bolt not seating into battery properly? In terms of bolt catch - the WE's system is actually unrealistic - the real G36 will lock open on empty, but there's no bolt release button - the button that WE uses as a bolt release is actually a manual bolt hold open for manually locking the bolt open for inspection - you just pull the cocking handle to the rear and let go. Magazine wise, yeah, the side lugs are annoying as *suitcase* - there are plenty of pictures of KSK members in the field either running G36 Pmags or having cut the side lugs off and taped up the mags. It's not too bad if you're running the german army g36 pouches but literally any other pouch will snag like hell.

When you are capitalist pig but you want to Сука блять quietly My personal .300BLK AAC GBBR. Based on a WE with a full RATech build, internally and externally, she's had a LOT of work put in to get it shooting well, because apparently RATech's QC is so bad that an RATech GBBR built BY RATech with RATech externals and RATech internals won't work properly because of poor tolerances and fitting issues. Internally: - FG Airsoft Speed buffer and spring - Stock WE nozzle with a 150% return spring and a restrictor disc - RATech steel BCG - RATech steel hop-up unit - RATech steel FCG - PDI 6.05x150mm carbon steel tightbore - Mapleleaf Monster 50deg hop up rubber Externally: - Guarder AAC URX3 8.0 - RATech steel 8" barrel - Guarder steel low-profile gas block - Strike Industries polymer dust cover - Random angled foregrip thing - G&P Troy style BUIS - MFT minimalist stock - MFT trigger guard - MFT pistol grip - Real Magpul ASAP plate - Real Kobra RDS - Mini PBS-1 suppressor - WE PMags She's currently doing about 1.2J on propane, though she has a second CQB legal nozzle that drops it to 0.8J on propane. She's got a hell of a kick, though!

When you are capitalist pig but you want to Сука блять quietly My personal .300BLK AAC GBBR. Based on a WE with a full RATech build, internally and externally, she's had a LOT of work put in to get it shooting well, because apparently RATech's QC is so bad that an RATech GBBR built BY RATech with RATech externals and RATech internals won't work properly because of poor tolerances and fitting issues. Internally: - FG Airsoft Speed buffer and spring - Stock WE nozzle with a 150% return spring and a restrictor disc - RATech steel BCG - RATech steel hop-up unit - RATech steel FCG - PDI 6.05x150mm carbon steel tightbore - Mapleleaf Monster 50deg hop up rubber Externally: - Guarder AAC URX3 8.0 - RATech steel 8" barrel - Guarder steel low-profile gas block - Strike Industries polymer dust cover - Random angled foregrip thing - G&P Troy style BUIS - MFT minimalist stock - MFT trigger guard - MFT pistol grip - Real Magpul ASAP plate - Real Kobra RDS - Mini PBS-1 suppressor - WE PMags She's currently doing about 1.2J on propane, though she has a second CQB legal nozzle that drops it to 0.8J on propane. She's got a hell of a kick, though!