TM15
Complete front end chopped off and replaced with 9 1/2" FSP Carbine RIS,barrel turned down to 7/8" to accept custom made delta ring.Airsoft MSTN QCB Muzzle Brake bored out to 19mm and machined to fit barrel.
Magpul UBR stock,buffer tube machined to fit the TM,also had to machine the TM to get this to fit.
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