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Grendel?
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<blockquote data-quote="John Klingenberg" data-source="post: 2051904" data-attributes="member: 107749"><p>I'll start out saying I didnt read every prior post. I've been messing with a Grendel for years. My neighbor was part of a tier 1 unit. He was using it operationally and had only good things to say about it...the benefit was that he had mounds of free brass he brought home so I jumped in. The initial Alexander was proprietary. The throat had compound angles. In order to commercialize it companies had to change a few things so the compound throat went. The AR makers used a standard 7.62x39 bolt (type 2) which is deeper than the Alexander (type 1). Its a great cartridge and can be really unbelievable in an AR platform. Velocity is sorta lackluster in average length barrels, around 2500fps with 123gr bullets. The AR generally sticks to 55,000 psi cartridges. I know there is way higher stuff running fine but it reduces service life greatly. Some of the 5.56 stuff we used in the desert was only allowed for use in theatre. It was really hot stuff. Stick it in a bolt gun and you wont believe the performance you can get out of such a small case. It is after all a cousin to the magnificent PPC cases. In a rifle I'm pushing into 2800s with a 123 and nearly 3000 with 100gr. All with about 28 to 30 grains of powder. It's a deer/hog gun extraordinaire. Varmints get special treatment and you can shoot it all day. My 9 year old loves it. It's one of my favorite cartridges.</p></blockquote><p></p>
[QUOTE="John Klingenberg, post: 2051904, member: 107749"] I'll start out saying I didnt read every prior post. I've been messing with a Grendel for years. My neighbor was part of a tier 1 unit. He was using it operationally and had only good things to say about it...the benefit was that he had mounds of free brass he brought home so I jumped in. The initial Alexander was proprietary. The throat had compound angles. In order to commercialize it companies had to change a few things so the compound throat went. The AR makers used a standard 7.62x39 bolt (type 2) which is deeper than the Alexander (type 1). Its a great cartridge and can be really unbelievable in an AR platform. Velocity is sorta lackluster in average length barrels, around 2500fps with 123gr bullets. The AR generally sticks to 55,000 psi cartridges. I know there is way higher stuff running fine but it reduces service life greatly. Some of the 5.56 stuff we used in the desert was only allowed for use in theatre. It was really hot stuff. Stick it in a bolt gun and you wont believe the performance you can get out of such a small case. It is after all a cousin to the magnificent PPC cases. In a rifle I'm pushing into 2800s with a 123 and nearly 3000 with 100gr. All with about 28 to 30 grains of powder. It's a deer/hog gun extraordinaire. Varmints get special treatment and you can shoot it all day. My 9 year old loves it. It's one of my favorite cartridges. [/QUOTE]
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