This review of the Olympic Arms K3BM4 A3 AR-15 highlights its faithful reproduction of the M4 design, featuring a 16-inch stainless steel barrel with a 1:9 twist rate and a flat-top upper receiver. The rifle demonstrates reliable function with various ammunition types, including Wolf Performance, and achieves respectable accuracy at 100 yards with both iron sights and an optic. The review emphasizes the quality of internal components, such as the M16-style bolt carrier with a staked gas key and forged receivers, noting their approval for government purchase.
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