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20 Rounds of .223 Ammo by Fiocchi - 77gr HPBT

Out of Stock

$27.75

Ammo Overview

Ammo Quantity - 20 rounds per box

Ammo Manufacturer - Fiocchi

Bullets - 77 grain Sierra Match King Hollow Point Boat Tail

Ammo Casings - Boxer primed brass
Manufacturer Item # - 223MKD

20 Rounds of .223 Ammo by Fiocchi - 77gr HPBT

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Product Question and Answer

Our customer service team has published this Q&A information as a free service to the shooting community. Please note that BulkAmmo.com expressly disclaims any and all liability with regard to how the shooting community might use this Q&A information. See Terms of Use for more details.

Q: Will these cartridges fit in AR-15 magazines? I just wondered because of the longer bullet length. Thanks!

Posted On: 10/18/11 By: Jason

A: Yes, these 77gr SMK BTHP projectiles are loaded to what is called "magazine length," and can be safely loaded into and fired from AR-15 magazines.
Q: Would this round be a good choice for an AR with a 20" SS Barrel that has a 1-9 Twist? Would it only be good for long shots or good for both medium and long shots?

Posted On: 10/5/11 By: Brent

A: It is not recommended to fire 77gr .223 ammunition through a 1/9 twist barrel, for the twist rate is not sufficient to stabilize the projectile. While this may vary from barrel to barrel at short range, it would certainly be noticeable with all 1/9 twist barrel at long range. You might find that your 1/9 twist barrel will perform well with 75gr ammunition, but it will certainly stabilize 69gr BTHP as loaded by a number of manufacturers. All three projectile weights are capable of high accuracy at range, but wind drift is greater with the lighter projectiles, which have lower ballistic coefficients.