| 1. | Locking was achieved by a solid bolt head and three bolt lugs.
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| 2. | Four prominent bolt heads frame the chest oval and large hemispheres are fitted.
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| 3. | For thick bolts, it may be easier to first split the bolt head.
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| 4. | As the bolts head down and turn back, Rimmer apologises for the mistake.
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| 5. | As the firing pin retracts, the bolt head turns anti-clockwise unlocking the breech.
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| 6. | You can paint the bolt head to match the cabinet.
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| 7. | Either the bolt head or the nut can be torqued.
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| 8. | The diameter of the bolt head had expanded from to.
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| 9. | The weapon's caliber could easily be changed by replacing the bolt head, magazine, and barrel.
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| 10. | Hang things on these protruding screw or bolt heads.
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