This is the Tippmann Arms M4-22 PRO, a semi-auto AR-style rifle in .22 LR. It has aluminum upper and lower receivers, a mil-spec fire control group, a nickel-plated bolt, a functional forward assist, a bolt catch, a charging handle, a shell deflector and an ejection port cover. The Parkerized 4150 steel barrel is threaded 1/2x28 with an A2 birdcage. It has a composite free-float M-LOK handguard, a full-length top Picatinny rail, adjustable flip-up sights and an adjustable stock. It comes with one magazine.

In stock at Custom Defense Solutions USA in Littleton, MA.

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