Details - STEP MnC v2.5 LRBHO Last Round Bolt Hold Open - GunCAD Index
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STEP MnC v2.5 LRBHO Last Round Bolt Hold Open

Middleton Made Creative Commons Attribution-NonCommercial 4.0 International 505.7KiB Released November 10, 2025, 9:47 PM

Someone mentioned the LRBHO file wasn't included in the most recent release, and I've had multiple requests this week for it, so here you go! PLEASE follow the readme, or you will not have a good time. V3 is around the corner and this is NOT compatible with ANY V3 magwell.