Hey, I have a col1 account for you, does not have sg50 or ar15, but does have minimal nx speed perm (~24%) and alot of other guns perm:
all these guns perm: uzi metal, spas-12. famas se, elite mod, recon vest, scar-l b, tracker knife, dual skor, s58 musk, prof backpack, acr sandifre cus, vet backp, m416 cqb ace, l96 aw, cz scorp evo, p90tr, prison iniform, waterm grenade, minimi, 7th anniv backpack, 2015 nyb, sopmod, m99-II, qbz-95, reindeer bag, m92fs elite, g18 cobra, ak-47 gold plated, patriot skull mask (USA), aviator cap. 800k GP and prob around 500k in inbox stuf. has max sg in inbox (not perm) for 80$ this account is yours (we can talk about price)