Inside the MPA-971 feeding system: Suomi drums, quad‑stack mags, and the rat‑tail release @ForgottenWeapons
Inside the MPA-971 feeding system: Suomi drums, quad‑stack mags, and the rat‑tail release @ForgottenWeapons
Uploaded May 2026 | Updated September 2026, 3 weeks ago
Full video: youtu.be/_9_hPXp_UJ8

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Inside the MPA-971 feeding system: Suomi drums, quad‑stack mags, and the rat‑tail release

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