MAS36/51 French Military Rifle with Original Muzzle Rifle Grenade Launcher – P66 Proof, Matching Numbers

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This is an original French military MAS Mle 1936/51 (35/51) bolt-action rifle, chambered in 7.5×54mm French, converted from the MAS Model 1936 under the official 1951 French Army upgrade program. A defining feature of the 36/51 conversion is the factory-installed muzzle-mounted rifle grenade launching system, allowing the rifle to launch standard French rifle grenades and remain in frontline service during the post–World War II and early Cold War period.

The receiver is correctly marked “MAS / Mle 1936-51” and bears a P66 pressure proof mark, indicating inspection and validation under updated French military pressure and ammunition standards introduced in 1966. This confirms the rifle remained in active service well into the 1960s rather than being an early surplus or depot-stored example.

The receiver and bolt handle show matching serial numbers, an important collector detail on MAS rifles. Overall machining style, component fit, and finish are consistent throughout, with no evidence of later commercial assembly or mismatched replacement parts.

The rifle retains its correct original MAS 36/51 muzzle rifle grenade launching hardware, including the reinforced muzzle section, grenade launching sleeve, and the front-mounted sliding grenade sight with proper graduations, spring assembly, and locking mechanism.

The bore shows sharp, well-defined rifling with strong lands and grooves, consistent with proper military maintenance and supporting both the rifle’s overall condition and collectability.

The stock is a correct postwar French military pattern, showing honest service wear without heavy sanding, refinishing, or modern varnish. Metal surfaces display an even military finish with appropriate handling wear, reflecting genuine service use.

Overall, this rifle represents a correct, service-grade MAS 36/51 with matching key components, original muzzle rifle grenade launching system, sharp rifling, and confirmed P66 post-service validation, making it a desirable example for collectors of French military and Cold War–era firearms.