No1 Mk3 Help with bolt lock issue and marking Identification.

[Parashooter]

The symptoms described indicate there is enough radial play between bolt body and receiver to allow bolt head and receiver ring to misalign and jam unless the bolt is manually pressed into alignment. A new bolt head will not correct this; a new bolt body might or the receiver may be worn out.

Try the chamfer before deciding to invest in additional parts.

Information

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