Originally Posted By alexfiggy: Can the psa 9mm upper the fancy ones with a free float work with there Harrington Richard’s retro colt smg lower ? Is it colt mag compatible?
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@Mike_NDS
Palmetto State Armory 3760 Fernandina Rd
Columbia, SC 29210
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Originally Posted By alexfiggy: Can the psa 9mm upper the fancy ones with a free float work with there Harrington Richard’s retro colt smg lower ? Is it colt mag compatible?
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The PSA uppers are "hybrid", glock or colt. Whether than means they will function with that particular lower I can not say.