Description

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Invented by Jim Sullivan, one of the original designers of the M16, the SureFire Optimized Bolt Carrier (OBC) is designed to improve the functionality of an M4/M16/AR variant weapon system during both unsuppressed and suppressed firing. This patented design makes numerous improvements to the standard Mil-Spec full-auto bolt carrier group which allows more time for reliable feeding of ammunition from the magazine, nearly eliminating bolt-over-base malfunctions. The OBC also delays unlocking of the bolt during the firing sequence, which allows expanding gases more time to exit the bore, in turn reducing back-pressure gases exiting the upper receiver group. Additionally, the neutrally balanced counterweight improves carrier and barrel extension lock-up, nearly eliminating bolt bounce. The OBC also reduces felt recoil, allowing for better tracking of sights and more control of the weapon when firing. Coated with an advanced anti-friction coating, the OBC resists friction during use and makes cleaning easy. For the ultimate in reliability, choose the SureFire OBC.
Mfr Part: SFOBC55

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Compare prices for 084871327367 - Surefire Optimized Bolt Carrier Group OBC556 from all vendors

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Out Of Stock
$258.99
$302.69
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Comments (8)

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Price keeps dropping. Guess they're figuring out nobody is going to pay $369 for a bolt. Lemme know when it hits $150. Then I'll think about it.

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Some lucky sumofbish at Surefire signed a contract with a gubmint agency at the advertised price. Betcha a shiny buffalo nickel.

1 vote
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SureFire is smoking cheese again.

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Sorry for my ignorance, why so much money for a BCG? Could someone please explain what is so great about this BCG? Thanks in advance.

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It’s optimized.

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Do you lube it with snake oil?

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Surefire is sure full of themselves aren't they. What the hell is this bolt going to do that a toolcraft or bcm isn't, besides depart a fool from their money

5 votes
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No, all the tacti-tards are all "ITS SUREFIRE" shove all your money there way

4 votes
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