Hear is the link for the left handers shell defletor... i have never tried one but should work perfect for you..http://www.combatoptical.com/catalog...ECTOR-140.html

Hear is the link for a buffer
http://www.buffertech.com/AKValmetGa...Buffer-P5.aspx

p.s. the recoil spring can be a little tricky you might want to have a pair of extra hands to help out.

This is the type of muzzle brake i have on my ak47 it honetly helps out a bunch you will notice the differance in less than 2 shots..
http://www.gunbroker.com/Auction/Vie...Item=230941892

Also a recoil pad would help further reduce the felt recoil of the 7.62x39
You can use this one if your a tall man above 5,11
http://www.amazon.com/AK47-STOCK-BUT.../dp/B003BMDIHG

I hope some of these links help further your ak47 experiance.. Right now im refinishing the wood stocks of mine...