Most accurate round ?

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drpete12:
Sweet  ;D

what is the best place/price for it. I saw it for $50 for 50 so 1 dollar a round.

genStrat:
These are supposed to both be pretty good and are currently in stock:

    Black Hills Ammunition 5.56x45mm NATO 77 Grain Sierra MatchKing Hollow Point Box of 50
    http://www.midwayusa.com/product/912049/black-hills-ammunition-556x45mm-nato-77-grain-sierra-matchking-hollow-point-box-of-50

    Southwest Ammunition 5.56 / 77gr SMK - 50rd Box REMANUFACTURED
    http://www.southwestammunition.com/product_p/55677smk-reman.htm

I have used the Black Hills 77gr SMK (MK262 MOD1 OTM), but am no expert in these matters. There is a limit of two boxes on the Black Hills. I have been known to have access to 500 round cases over the past many months.

There has been some discussion on the Internet that the Southwest Ammunition product is better (accuracy and consistency) when compared to the Black Hills product. I have not purchased or tried the Southwest Ammunition product. At the moment they are available only as factory reloads.

I have also noted from Internet discussion that match grade 5.56/.223 ammo in the 68/69 gr offer tighter groups, but range is an issue. Discussions usually go back to the 75/77 grain match ammo, particularly BTHP, for consistency and effectiveness. As I have indicated, this is what I have read and is not based upon personal experience.

Dred:
Quote from: genStrat on August 04, 2013, 11:10:02 AM


     Southwest Ammunition 5.56 / 77gr SMK - 50rd Box REMANUFACTURED
    http://www.southwestammunition.com/product_p/55677smk-reman.htm


There has been some discussion on the Internet that the Southwest Ammunition product is better (accuracy and consistency) when compared to the Black Hills product. I have not purchased or tried the Southwest Ammunition product. At the moment they are available only as factory reloads.

I have also noted from Internet discussion that match grade 5.56/.223 ammo in the 68/69 gr offer tighter groups, but range is an issue. Discussions usually go back to the 75/77 grain match ammo, particularly BTHP, for consistency and effectiveness. As I have indicated, this is what I have read and is not based upon personal experience.


GenS,  Thanks for the tip on SW ... I haven't tried them but I now have a 100 rd sample on the way - I will add it to my test.  I like that the co is veteran owned.  I also noticed they do a great price on 300 blk, but do not have any subsonic listed.  Strangely, their supersonic is priced cheaper than their formed brass for the same.

I will add that I have tried the BH 77s; they are already in my inventory, so we'll get a head to head soon after they arrive.

AZ2000:
I load the 77SMK, this is the best I can do at 100yds, but just hate to give up my morning coffee. :D



genStrat:
Federal RXM556T3 62 grain tactical bonded ammo is available from:

    US Armorment (by the case, 500 rds)
    http://usarmorment.com/federal-rxm556t3-62-grain-tactical-bonded-500-round-case-p-2425.html

    Rare Ammo (by the box, 20 rds)
    http://www.rareammo.com/federal-tactical-bonded-556mm-62gr-bonded-t3-20-rnds-

I have not purchased from Rare Ammo, but did purchase from US Armorment in Feb 2013 with no order/ship issues. I think both companies' shipping cost is a little high.

The general specs:

CALIBER: 5.56x45mm NATOPROJECTILE: 62 Gr. Tactical Bonded (T3)CASE: Brass (Copper Alloy No. 260) Visible iris on neckACCURACY: Three, 5-round groups with maximum average extreme spread of 4 at 100 yards, using an Oehler M83 Ballistics Computer and acoustic target.MUZZLE VELOCITY: 3050 fpsINSTRUMENTAL VELOCITY: 2900 +/-100fps (20 Test Barrel)MUZZLE ENERGY: 1,000 ft/lbs
The round is supposed to be very reliable and able to defeat tough barriers with minimal deviation while maintaining accuracy and terminal performance.

From what I understand, the original law enforcement designation (government contract number) was XM556FBIT3 for the FBI. Then the number XM556SBCT3 appeared that was either the new/current contract number or the civilian number for the same round. Recently, I noticed the number RXM556T3 which seems to be contract rejects/seconds for the XM556SBCT3 number. My understanding is RXM556T3 represents production lots that didn't meet the contract specs, but otherwise fit for use.

I already have a bunch of the XM556SBCT3 or I would be ordering more.
I saw it and just thought I'd pass it along.

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