FRT-15L3 - AN OVERVIEW

I had to place a lighter spring in my entire sized M16 A2 clone however it ran wonderful. Tried once more Using the eleven.5" Comando Colt upper. No dice. Ran five hundred rounds of wolf via it currently. Didnt hurt the spring whatsoever.I am going to Unquestionably be shopping for Rarebreed if whatever good news signifies they can promote again!!!