308w vs 7,62x51 nato
308w vs 7,62x51 nato
Dobry den, vopred sa ospravdlnujem ze sa mozno budem opakovat a uz to tu niekde blo rozoberane no nevedel som nic najst...
Chcel by som vediet aky je skutocny rozdiel medzi touto municiu citam neskutocne vela portichodnych informacii tak ist jeden clovek tvrdi jedno druhy druhe uz neviem kde je pravda. skuste to dako zhrnut preco je v tom vobec rozdiel..ak je ? aky to malo vyznam spravit dva skoro rovnake kalibre.. preco je jedno vojenske strelivo a druhe nie ? da sa strietal v tej iste flinte aj jedno aj druhe... ktore ma lepsi vykon ?respektive vlastonsti.. atd..vopred dakujem.
a este jedno preco sa vojenskej 7,62 hovori gulometne strelivo ? chapem to hanlivo ako nepresne je to tak ?
Vopred dakujem.
Chcel by som vediet aky je skutocny rozdiel medzi touto municiu citam neskutocne vela portichodnych informacii tak ist jeden clovek tvrdi jedno druhy druhe uz neviem kde je pravda. skuste to dako zhrnut preco je v tom vobec rozdiel..ak je ? aky to malo vyznam spravit dva skoro rovnake kalibre.. preco je jedno vojenske strelivo a druhe nie ? da sa strietal v tej iste flinte aj jedno aj druhe... ktore ma lepsi vykon ?respektive vlastonsti.. atd..vopred dakujem.
a este jedno preco sa vojenskej 7,62 hovori gulometne strelivo ? chapem to hanlivo ako nepresne je to tak ?
Vopred dakujem.
http://img713.imageshack.us/img713/2782/dsc0008sh.jpg
http://img444.imageshack.us/img444/7660/dsc0007zb.jpg
http://img525.imageshack.us/img525/1408/dsc0006shc.jpg
Som to pofotil ako amatér, aj nahral odzadu, ale vysomáriš sa, tabuľkové hodnoty sa mi už nechcelo.
http://img444.imageshack.us/img444/7660/dsc0007zb.jpg
http://img525.imageshack.us/img525/1408/dsc0006shc.jpg
Som to pofotil ako amatér, aj nahral odzadu, ale vysomáriš sa, tabuľkové hodnoty sa mi už nechcelo.
7,62 sovietsky nie je to co chcel porovnat wodnicek.
Rozdiel medzi 308W a 7,62 NATO je v komorach (headspace) a tlakoch.
SAAMI udava pre 308W 62000PSI a pre 7,62 NATO 50000PSI.
Tzv. "vojenske" strelivo sa da v pohode strielat z civilnych zbrani komorovanych pre 308W, naopak mozu vzniknut problemy pri pouziti civilneho streliva s plnym vykonom. Vojenske strelivo ma podla dostupnych info obvykle mensi objem a hrubsie steny nabojnice (nemusi byt pravidlom, tento kaliber sa robi na celom svete a samozrejme existuju od municky k municke urcite rozdiely - vid posledny odkaz).
"308 Win vs. 7.62x51--The Straight Scoop
Before we go much further, we want to address the oft-posed question "Are the .308 Winchester and 7.62x51 NATO one and the same?" The simple answer is no. There are differences in chamber specs and maximum pressures. The SAMMI/CIP maximum pressure for the .308 Win cartridge is 62,000 psi, while the 7.62x51 max is 50,000 psi. Also, the headspace is slightly different. The .308 Win "Go Gauge" is 1.630" vs. 1.635" for the 7.62x51. The .308's "No-Go" dimension is 1.634" vs. 1.6405" for a 7.62x51 "No Go" gauge. That said, it is normally fine to shoot quality 7.62x51 NATO ammo in a gun chambered for the .308 Winchester (though not all NATO ammo is identical). Clint McKee of Fulton Armory notes: "[N]obody makes 7.62mm (NATO) ammo that isn't to the .308 'headspace' dimension spec. So 7.62mm ammo fits nicely into .308 chambers, as a rule." You CAN encounter problems going the other way, however. A commercial .308 Win round can exceed the max rated pressure for the 7.62x51. So, you should avoid putting full-power .308 Win rounds into military surplus rifles that have been designed for 50,000 psi max. For more information on this interesting topic, read the following articles: Gun Zone's 30 Caliber FAQ; Cruffler.com Technical Trivia, June 2001; and last, but not least, Steve Redgwell's .308 vs 7.62x51 Analysis, which really provides a definitive explanation. Reloaders should also note that military ammo often is made with a thicker web. Consequently the case capacity of 7.62x51 brass is usually less than that of commercial .308 brass. You may need to reduce recommended .308 Winchester loads by as much as 2 full grains, if you reload with military 7.62x51 brass, such as Lake City or IMI."
http://www.thegunzone.com/30cal.html
http://www.303british.com/id36.html
http://www.cruffler.com/trivia-June01.html
Rozdiel medzi 308W a 7,62 NATO je v komorach (headspace) a tlakoch.
SAAMI udava pre 308W 62000PSI a pre 7,62 NATO 50000PSI.
Tzv. "vojenske" strelivo sa da v pohode strielat z civilnych zbrani komorovanych pre 308W, naopak mozu vzniknut problemy pri pouziti civilneho streliva s plnym vykonom. Vojenske strelivo ma podla dostupnych info obvykle mensi objem a hrubsie steny nabojnice (nemusi byt pravidlom, tento kaliber sa robi na celom svete a samozrejme existuju od municky k municke urcite rozdiely - vid posledny odkaz).
"308 Win vs. 7.62x51--The Straight Scoop
Before we go much further, we want to address the oft-posed question "Are the .308 Winchester and 7.62x51 NATO one and the same?" The simple answer is no. There are differences in chamber specs and maximum pressures. The SAMMI/CIP maximum pressure for the .308 Win cartridge is 62,000 psi, while the 7.62x51 max is 50,000 psi. Also, the headspace is slightly different. The .308 Win "Go Gauge" is 1.630" vs. 1.635" for the 7.62x51. The .308's "No-Go" dimension is 1.634" vs. 1.6405" for a 7.62x51 "No Go" gauge. That said, it is normally fine to shoot quality 7.62x51 NATO ammo in a gun chambered for the .308 Winchester (though not all NATO ammo is identical). Clint McKee of Fulton Armory notes: "[N]obody makes 7.62mm (NATO) ammo that isn't to the .308 'headspace' dimension spec. So 7.62mm ammo fits nicely into .308 chambers, as a rule." You CAN encounter problems going the other way, however. A commercial .308 Win round can exceed the max rated pressure for the 7.62x51. So, you should avoid putting full-power .308 Win rounds into military surplus rifles that have been designed for 50,000 psi max. For more information on this interesting topic, read the following articles: Gun Zone's 30 Caliber FAQ; Cruffler.com Technical Trivia, June 2001; and last, but not least, Steve Redgwell's .308 vs 7.62x51 Analysis, which really provides a definitive explanation. Reloaders should also note that military ammo often is made with a thicker web. Consequently the case capacity of 7.62x51 brass is usually less than that of commercial .308 brass. You may need to reduce recommended .308 Winchester loads by as much as 2 full grains, if you reload with military 7.62x51 brass, such as Lake City or IMI."
http://www.thegunzone.com/30cal.html
http://www.303british.com/id36.html
http://www.cruffler.com/trivia-June01.html
ľahké guľomety sa vyrábali aj v kalibroch 8x57JS, 7.62x54R , 7.62x51 , 303british, 30-06sprg (?) a plno ďalších
názov "gulomeťák" pre náboj sa používa pre armádne strelivo vyrábané pre použitie v guľometoch daného kalibru , ergo nejde o nič extra presné do snajperky, to je celá veda za tým
v každom kalibri existujú presné aj menej presné náboje, guľomeťák 7.62x54R je v kvalitnej flinte určite menej presný než 7.62x54R "Odst" alebo ruské "celevyje"
názov "gulomeťák" pre náboj sa používa pre armádne strelivo vyrábané pre použitie v guľometoch daného kalibru , ergo nejde o nič extra presné do snajperky, to je celá veda za tým
v každom kalibri existujú presné aj menej presné náboje, guľomeťák 7.62x54R je v kvalitnej flinte určite menej presný než 7.62x54R "Odst" alebo ruské "celevyje"
A sme doma.
NATO strelivo v baleni s oznacenim 308W, uz to "LC" napovedalo, ze to bude tak a strela to len potvrdila. (LC - municka Lake City, vyraba/la lacnejsie vojenske/treningove strelivo, ak sa nemylim)....
"LC 7.62 Brass was always heavier/beefier than commercial brass. That's why you had to be careful and decrease powder charges of loads developed in commercial cases when using the same powder in LC cases. Heavier case means less internal volume, means less powder needed to achieve same velocity/pressure of the same powder in a commercial case"
Tipujem, ze ZVS niekde kupilo vo vypredaji surplus vojenske krmivo, prebalili do skatuliek 308W a sup ho na trh.....
NATO strelivo v baleni s oznacenim 308W, uz to "LC" napovedalo, ze to bude tak a strela to len potvrdila. (LC - municka Lake City, vyraba/la lacnejsie vojenske/treningove strelivo, ak sa nemylim)....
"LC 7.62 Brass was always heavier/beefier than commercial brass. That's why you had to be careful and decrease powder charges of loads developed in commercial cases when using the same powder in LC cases. Heavier case means less internal volume, means less powder needed to achieve same velocity/pressure of the same powder in a commercial case"
Tipujem, ze ZVS niekde kupilo vo vypredaji surplus vojenske krmivo, prebalili do skatuliek 308W a sup ho na trh.....
4 rocny nekropost ale nenasiel som to v inej teme.
Ako pristupuje policia/predajcovia k nabojom 7.62x51 a .308? Niekto tu spominal ze mal problem kupit .38 na kartu zbrane kde bolo uvedene .357. Deje sa nieco take aj pri tomto kalibri? Ako to zapisuju do karty zbrane?
Konkretne sa jedna o FN FAL.
Ako pristupuje policia/predajcovia k nabojom 7.62x51 a .308? Niekto tu spominal ze mal problem kupit .38 na kartu zbrane kde bolo uvedene .357. Deje sa nieco take aj pri tomto kalibri? Ako to zapisuju do karty zbrane?
Konkretne sa jedna o FN FAL.
Krmíš to normálne 308-čkami. Čo máš napísané v karte zbrane? Respektíve čo máš napísané v protokole z tlakoviek ku zbrani?
Este nic, podla predajcu tam ale bude 7.62x51 (kedze to je vojenska).
Barnauly maju napr. napisane .308 a v zatvorke 7.62x51, tam je to jasne, ale chapem ze pri inych by mohol niekto robit problem, vzhladom na rozdielne max. tlaky ...
Barnauly maju napr. napisane .308 a v zatvorke 7.62x51, tam je to jasne, ale chapem ze pri inych by mohol niekto robit problem, vzhladom na rozdielne max. tlaky ...