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Old 26 November 2014, 10:35
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Quote:
Originally Posted by DirtyDog0311 View Post
what's the deal on the roller head? And under what applications should it be used?
It should always be used. If you have a POF in .308 with out the caster looking roller wheel on the head of your bolt retention key, call POF and have them replace it. It makes the bolt operate more smoothly in a system with very tight tolerances.
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