ID: 48924 (MB-RAG-139)
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RA-Tech Full Metal Forged Receiver for WE-Tech M4 / M16 Series Airsoft GBB Rifles - Blank
- Full metal forged aluminum receiver
- Blank lower to allow for custom engraving / etching
- High quality matte black finish
For WE-Tech and other compatible M4 / M16 Series Airsoft GBB Rifles Material:
Forged Aluminum Manufacturer:
"FEEDBACK REVIEW: RATECH Standard Forged Reciever
Price $180ish after coupons via evike. Good material, obviously different/ better than stock WE. The initial issues such as extra play in the reciever have been addressed. The stock and real-steel rail set I had in mind threaded perfectly.
THE BAD: There is still ever so slight wobble between the upper and lower. Even with a magic pin there's a tiny amount of side to side side play when looking from the top of the gun. Stock WE also have similar issues.
UPPER: As of this posting (Sep 2015), the BCG does not fit without sanding. The stock WE bolts I've tried are a very tight fit. I assume the steel bolt I have coming will also be a tight fit. ALSO, like another user posted recently with their blank reciever, mine has noticeable manufacturing blemishes on the upper reciever (pictured). Not a huge deal to me as it doesn't effect function but I though I'd mention it.
LOWER: Nice finish, but the bolt catch pin hole is too big for stock WE pins. It slides right out. A bigger complaint for me is magazine compatibility. I had to shave down every single pmag I had just to fit the lower. It's obvious this lower was designed with strictly standard m4 mags in mind. Huge pain in the ass. The RATECH video that addressed this stated that pmags are just a tight fit at first and must be broken in, not the case. Sure pmags fit, but great force is needed to insert and remove. Especially with the current-gen non "R" stamped pmags.
Another issue worth mentioning is the off-spec rear area of the lower. Of the real steel grips I've test fitted on this lower, none matched perfectly in the back and have a gap. This is strictly a cosmetic issue, but I wish it were flush like with my PDW and 416 lowers.
Lastly I had to modify my trigger guard to fit the lower. No biggie as I used a nylon polymer trigger guard so it was easy to modify. But just be aware it's not perfect. At least the pin hole in the back were alined.
Overall I was well aware that every single RATECH part I've bought has been off spec in some way and unfortunately the same is true here. On one hand these are the only forged recievers at this time that I'm aware of, but at that price point I wish they were more spec. Especially with the mag and bcg issue. It still does the job though and gives you some peace of mind in terms on durability (but it's airsoft eh?). Get one if you're not afraid to tinker. Also, everyone will have different experiences and I'm just sharing my real-world findings.
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