SureFire Bolt Carrier Group Analysis

[lysander]

FCD has complete E-BCGs in stock right now. I bought one a few months ago too. They haven’t been that hard to find.


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Hmmmm . . .

No, they don't

[mig1nc]

FCD has complete E-BCGs in stock right now. I bought one a few months ago too. They haven’t been that hard to find.


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I assume means the SF one.


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[Wake27]

They were in stock yesterday earlier and when I posted. Not sure if it was just yesterday or they had been there for a bit but they definitely had some.

[BWT]

How much does the SF BCG weigh comparative to the other BCG?

God Bless,

Brandon

[ABNAK]

They were in stock yesterday earlier and when I posted. Not sure if it was just yesterday or they had been there for a bit but they definitely had some.

I'm talking about the Surefire OBC (Optimized Bolt Carrier), not the LMT EBCG. Finding the latter isn't an issue, the former not so much.

[Disciple]

Any appetite for the same treatment on an LMT Enhanced Carrier?

Seconded.

[Pasta123]

With modern manufacturing process, is it possible to build a better bolt that lasts ~50Kish (same ammo as what .mil is using) while still being cheap enough to justify(around $100-$150)?

Feels like that's what we need.

[Ned Christiansen]

I tested the OBC in a select-fire rifle and found that it did reduce the rate of fire significantly. I figure this was due mostly to the increased travel afforded by the design. Unlikely that I will find my notes but my mind is telling me from 875 ish to 720 ish. I mean you could clearly tell the dif just shooting it but the PACT timer gave the real numbers.

[BufordTJustice]

I tested the OBC in a select-fire rifle and found that it did reduce the rate of fire significantly. I figure this was due mostly to the increased travel afforded by the design. Unlikely that I will find my notes but my mind is telling me from 875 ish to 720 ish. I mean you could clearly tell the dif just shooting it but the PACT timer gave the real numbers.

Interesting. I can't remember what Sullivan and SF claimed during the initial hubub regard ROF, but that's a significant reduction.

Thanks Ned.


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