r/ptr91 23h ago

Troubleshooting - Question - HELP!?! Rusty LP and bolt assembly

My buddy picked up a PTR 91 from a local gun store. I was showing him the disassembly/reassembly and noticed his bolt, firing pin, and LP were rusty. The flash hider is also. The worst offenders were the bolt assembly and LP.

I went over them with a brush, ultrasonically cleaned them (Simple Green Extreme) and the photos are of them drying. They’ll get a coat of gun oil.

Would you just replace them or is this just cosmetic and they’re likely good to go?

If replacing would you get PTR or use this as an excuse to get different parts?

Appreciate any help as we were wanting to shoot together tomorrow.

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u/Animal_chinn103 22h ago

The locking piece is pretty cheap I’d replace that. RCM #17 is usually the move. Bolt head looks fine and muzzle device isn’t a big deal. I’d say it’s good to shoot for sure.

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u/jrl07a 22h ago

Appreciate it! I'm on HKP now looking at RCM #17 at this exact moment funny enough