Is an M16A2 style compatible with new upper receivers? 🥇

  General

Answer:

Certain uppers and lowers might have a tighter fit but if they’re a bit loose you can get an accu-wedge. Colt, S&W, and some others make .22LR only AR-15 style rifles. These lowers are not interchangeable. Keep in mind that most uppers and lowers require fitting.

It’s easy!

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