5.56㎜

The 5.56×45mm NATO (official NATO nomenclature 5.56 NATO) is a rimless bottlenecked intermediate cartridge family developed in Belgium by FN Herstal. It consists of the SS109, SS110, and SS111 cartridges. Under STANAG 4172, it is a standard cartridge for NATO forces as well as many non-NATO countries. It is derived from, but is not identical to, the .223 Remington cartridge.

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  1. CountryGent

    XP-100 converted to .223?

    From time to time I look for an original XP-100 on the used market. They seem neato to my eyes for silhouette shooting and similar. Part of the reason I never pulled the trigger, metaphorically, is they (or at least the originals I'm looking at) are in .221 Fireball. Neat cartridge, but I...
  2. CountryGent

    Integrally Suppressed 5.56㎜, Bolt-Action?

    So, this idea of a shorty, bolt-gun, with a can keeps coming back up. Original plan was to invest in a CZ, filing the paper work, cutting and adapting said to the silencer. With all this talk of estúpido laws concerning threading, I'm thinking of cutting to the chase with an integral. (At...
  3. CountryGent

    When M14 Meets M16: The Fort Ellis XR-86 Frankenrifle

    Well this one is ... different, to put it mildly. Passing it along for the grins.
  4. CountryGent

    5.56㎜ Suppressor Covers?

    So, we did a bunch of shooting yesterday. The suppressor cover we had on a 5.56㎜ can, well, caught on fire. And I mean that literally. Anyway, I need to replace the burnt toast one with one or more covers. Out of curiosity, what covers/wraps are you running on your rifle silencers? Thanks.
  5. CountryGent

    Brownells' Retro AR10s & Ar15s

    Kind of neat-o.
  6. CountryGent

    Thoughts on the .17 Remington?

    So, here's hoping my work and family life settles down to the point that I can get back into varmint hunting relatively soon. On that score, I have been working on a semi-auto, .223 / 5.56㎜ project rifle for some time now. Pics shall be posted soon. It is, essentially, done except for the...
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