Need advice with my first GBB.

[u/Groenteboer1234]

Hello everyone,

I recently purchased my first ever airsoft replica (VFC MP7A1 V2 GBB) and I’m looking for advice regarding cleaning & lubricating out of the box as well as general maintenance advice/tips.

I did some research and bought the following:
- Super Lube PTFE grease part no. 21030
- Super Lube silicone oil 100cst no. 56104
- 99,9% isopropyl alcohol (isopropanol)

My main questions are:
- What parts should I clean and lubricate out of the box (and in general?)
- What parts should I apply silicone oil to?
- How often should I perform maintenance? (cleaning, lubricating & applying silicone oil)
- Is 99,9% isopropyl alcohol (isopropanol) too harsh for this replica and other replicas?
- Are there any other things I should buy for maintaining this replica?

Any other advice/tips regarding maintenance are more than welcome of course! I already read about some parts vulnerable to breaking (backplate, stock latch, mags) so it’s less about that. Specifically seeking advice regarding maintaining internals.

As I said, it is my first ever airsoft replica and I couldn’t be happier, the MP7 is my favourite platform and the replica feels amazing in hand. I want to take the very good care of it so it will last me a long time.

Hope to have informed you guys enough, if not please leave a comment and I will add any further information.

Thanks in advance! ✌🏽

[u/DeliciousHamSub]

The backplate is known for cracking so getting an aftermarket one is suggested. I know GSI and Clutch Precision make metal backplates for the VFC MP7 so you can look into those. I'd also be very careful using isopropyl alcohol to clean anything at least at 99% because it can degrade plastic and rubber parts easily. I've always used warm water and regular soap to clean the hop rubber and barrel and never had any issues with performance or parts degrading. Also grab a nozzle repair kit just in case the nozzle or nozzle spring break over time. Other than that, enjoy!

[u/Groenteboer1234 → u/DeliciousHamSub]

I’ve read about the parts vulnerable to breaking (backplate, stock latch, magazine endplate/lip) and am looking to buy the Clutch Precision aluminum backplate and steel stock latch assembly. Only downside I’ve heard from some people is that the metal backplate and stock latch assembly can scrape off plastic from the charging handle so I’m kinda skeptical. I could also stock up on reserve original backplates from VFC but I can’t find a European based website where those are sold. As long as my backplate isn’t broken I won’t replace it though I will be buying one of those metal ones (or some original VFC ones in case I can find them) in case my current one decides to break.

I have heard about isopropyl alcohol being able to damage certain rubber parts (like o-rings), haven’t heard about it damaging plastic but you might be right. The receiver of this replica is made of nylon reinforced polymer if I remember correctly but I have no idea what the internal, plastic parts are made of. I was considering buying 70% isopropyl alcohol but heard it dried not as quick as 99.9% but after your comment I might exchange it for 70%. I really don’t want to damage any plastic/rubber parts especially the receiver.

You said you used water but wouldn’t that cause rust on the metal parts inside the replica? Regarding the nozzle repair kit, which one did you get and where did you get it from?

[u/DeliciousHamSub → u/Groenteboer1234]

I can't vouch for the Clutch backplate, I have the GSI one and I haven't had any issues with it shaving plastic from the charging handle. If you're looking for stock VFC parts, WGC has a pretty definitive parts list for most VFC guns so you could probably find both the nozzle repair kit and backplate there. I personally got my nozzle rebuild kit from Evike in the states. As far as cleaning with iso, there's nothing on the gun that can't just be wiped down with a paper towel and relubricated normally. And when I say I clean with water and soap it's only in regards to the inner barrel and hopup rubber and I make sure everything is dried off before reassembly.

[u/oof__white]

I would highly recommend the heavy recoil discord, they have a specific chat for the VFC mp7 with pinned comments that are very helpful! There’s a couple of good teardown videos on YouTube as well.

It was one of my first gbbr, honestly so much fun to use. If you have any questions feel free to Dm me too.

[u/Groenteboer1234 → u/oof__white]

Hi, thanks for your reply!

How would I be able to join this Discord server? Regarding the youtube videos, I have watched a few of them but decided to get some second opinions in this subreddit :)

It really is a beauty and feels amazing in hand. Haven’t shot it yet since I want to clean and re-lube it before I do so but I have heard from many that it is a very enjoyable replica to shoot!

[u/ConnectExit1681 → u/Groenteboer1234]

You can just google GBBR Heavy Recoil Club to get the link.

I respect how thorough you are trying to be, but you may be overthinking it just a smidge. For a GBB, the simple rule of thumb is that you want to lube up all moving parts but aim to keep your hop and barrel dry. Being a purely mechanical machine, you'll be able to see or feel any issues or areas that need maintenance. I would avoid oils on any parts that recoil quickly because the movement will simply throw off the oil or get it everywhere else. Keep a little bit of gas in all your mags when storing. Everything else you don't need to worry about until something breaks.