This video explores the theoretical application of a roller-delayed blowback system, renowned for its low recoil and suppressed performance in platforms like the MP5, to the AR PCC (Pistol Caliber Carbine) platform. The presenter, from InRange TV, investigates a direct buffer system replacement from Maxim Defense, aiming to determine if it successfully transfers the benefits of roller-delayed action to an AR-style firearm. The video is a review and range test to evaluate this modification.
This video details converting an AR-15 to run on Glock magazines using a Sylvan Arms mag block. While offering cost savings and common magazine compatibility, the setup can suffer from reliability issues, particularly with aftermarket triggers causing malfunctions. The lack of Last Round Bolt Hold Open (LRBHO) is a significant drawback, leading the host to recommend alternatives like Stern Defense for a more complete solution.
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