Golden Eagle IMF Series M4 Gas Blowback Airsoft Rifle Builder's Kit (Model: Metal Body)

"(I have no purchased this product)
I just wanted to point out to prospective buyers that you can purchase the polymer receiver version and a replacement metal golden eagle receiver set for $5 more than the single metal body version. I would recommend doing that as you then have a backup receiver set in case one breaks.

"The gun itself works great but the mags are bad so plan on getting new ones

"The review preceding this one should not be taken seriously. I dont own this product but I am confused to why it was published. it has useful information but, poster is complaining about the basic assembly of the system. that review is by someone who has no clue of building a rifle, ignore it.

"If you are planning to add a handguard that doesn't use the included delta ring and barrel nut, remember to buy a second outer barrel. The barrel nut is next to impossible to remove without the barrel nut wrench and the orange tip is gonna get destroyed when attempting to remove so buy a spare if needed. The mock gas system blocks the removal of the barrel nut out of the outer barrel. Otherwise, it is a good base for your build