Slightly different but I recently got the Arthurian Veteran M16 which is a rebrand of the E&C one and since E&C is a OEM for some of the Specna stuff I was expecting their metal mid-caps (https://www.airsoftzone.com/en-gb/p/magazin-m4-midcap-120rds-10932510000/) to fit perfectly as I was...
TIL - There's a Lee-Enfield No. 1 Mk III from Double Bell. https://www.taiwangun.com/pl/karabin-powtarzalny-sprezynowy/replika-karabinka-wwii-smle-no-1-mk-iii-real-wood-double-bell