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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
M-16 extractor vs. Mauser extractor
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<blockquote data-quote="sable tireur" data-source="post: 1107124" data-attributes="member: 27307"><p>hemiford,</p><p></p><p>I am a devoted Mauser fan and have built dozens of Dangerous Game rifles on the various designs using this style extractor. However, I also build a ton of competition rifles using the M-16 extractors.</p><p></p><p>Here is an excerpt from a magazine article testing the Push Feed against the Mauser-style extractors:</p><p></p><p><em>The first rifle I tested was the CRF Model 70 .416 Remington Magnum with a classic full-length extractor. After the first shot, I rolled over, worked the bolt and saw just what I expected: The spent brass whirled away when it struck the ejector blade, and the return bolt stroke slid another massive .416 cartridge into the chamber. I fired the next shot, rolled over, and that's when things went sour. As the bolt came back and the empty case struck the blade, it flew out past my head just as advertised, but the last loaded cartridge in the magazine did a nose dive out of the magazine and hit me squarely in the chest. That wasn't supposed to happen.</em></p><p><em></em></p><p><em>I repeated the test three times, and in every case the last nose-heavy cartridge flopped out of the magazine, and the loaded cartridge hit me A-frame-first as the bolt came back. It was very disheartening. I'd completed one test and had one failure. Things improved with every subsequent test, and there wasn't a single malfunction or failure to feed with any of the other rifles, push-feed included. The post-'64 .375 H&H Winchester Model 70 functioned without a hitch while being cycled upside down, and the Weatherby did exactly the same.</em></p><p><em></em></p><p><em></em></p><p> <em>Both CRF rifles didn't seem to know whether they were upside down, sideways, nose-down or in any other position. The Weatherby's ejector was noticeably springier than the old Model 70, and it kicked the empty brass farther away from the rifle. The Montana Rifle Company XWR, another CRF gun, performed perfectly as well. The old myth suggesting that PF rifles won't cycle upside down is just that, for both of the rifles tested that had the "less reliable" engineering performed without any problems.</em></p><p><em></em><div style="text-align: left"><span style="color: #000000"></span></div> <div style="text-align: left"><span style="color: #000000">Read more: <a href="http://www.gunsandammo.com/hunting/controlled-round-feed-vs-push-feed-rifles/#ixzz3iKQTINLP" target="_blank">Fact or Fiction: Push-Feed Rifles Won't Cycle Reliably Upside Down - Guns & Ammo</a></span></div> <div style="text-align: left"><span style="color: #000000"></span></div><p></p><p>In the second place, when on God's Green Earth will you be shooting at Dangerous Game UPSIDE Down? I suppose someone will come along with a scenario that could happen but the odds are REALLY against this happening. Yes the Mauser-type extractors can have a slightly bigger bite on a case rim with the supposed advantage of extracting a tight case. On the other hand I have had these extractors literally rip the rim right off the case leaving the case still tightly held in the chamber.</p><p></p><p>The M-16 extractors are used under some of the most adverse conditions when we compete in most Tactical matches. Rain, snow, dust, mud, wind, baking heat, freezing temps, smashing rifles against concrete and rocks and we still run the matches and the extractors still function. The military still uses the Remington extractor with some rifles now sporting the M-16 extractor. Have any failed? Sure. I've fixed or replace several during competitions but I've also seen snapped claw extractors as well but that's because I deal with hundreds of rifles a year not just a handful.</p><p></p><p>I don't think there is a clear winner here at all. Pick the action and rifle which suits your physique and the uses required then go shoot and enjoy!</p><p></p><p>Regards.</p></blockquote><p></p>
[QUOTE="sable tireur, post: 1107124, member: 27307"] hemiford, I am a devoted Mauser fan and have built dozens of Dangerous Game rifles on the various designs using this style extractor. However, I also build a ton of competition rifles using the M-16 extractors. Here is an excerpt from a magazine article testing the Push Feed against the Mauser-style extractors: [I]The first rifle I tested was the CRF Model 70 .416 Remington Magnum with a classic full-length extractor. After the first shot, I rolled over, worked the bolt and saw just what I expected: The spent brass whirled away when it struck the ejector blade, and the return bolt stroke slid another massive .416 cartridge into the chamber. I fired the next shot, rolled over, and that’s when things went sour. As the bolt came back and the empty case struck the blade, it flew out past my head just as advertised, but the last loaded cartridge in the magazine did a nose dive out of the magazine and hit me squarely in the chest. That wasn’t supposed to happen. I repeated the test three times, and in every case the last nose-heavy cartridge flopped out of the magazine, and the loaded cartridge hit me A-frame-first as the bolt came back. It was very disheartening. I’d completed one test and had one failure. Things improved with every subsequent test, and there wasn’t a single malfunction or failure to feed with any of the other rifles, push-feed included. The post-’64 .375 H&H Winchester Model 70 functioned without a hitch while being cycled upside down, and the Weatherby did exactly the same. Both CRF rifles didn’t seem to know whether they were upside down, sideways, nose-down or in any other position. The Weatherby’s ejector was noticeably springier than the old Model 70, and it kicked the empty brass farther away from the rifle. The Montana Rifle Company XWR, another CRF gun, performed perfectly as well. The old myth suggesting that PF rifles won’t cycle upside down is just that, for both of the rifles tested that had the “less reliable” engineering performed without any problems. [/I][LEFT][COLOR=#000000] Read more: [URL="http://www.gunsandammo.com/hunting/controlled-round-feed-vs-push-feed-rifles/#ixzz3iKQTINLP"]Fact or Fiction: Push-Feed Rifles Won't Cycle Reliably Upside Down - Guns & Ammo[/URL] [/COLOR][/LEFT] In the second place, when on God's Green Earth will you be shooting at Dangerous Game UPSIDE Down? I suppose someone will come along with a scenario that could happen but the odds are REALLY against this happening. Yes the Mauser-type extractors can have a slightly bigger bite on a case rim with the supposed advantage of extracting a tight case. On the other hand I have had these extractors literally rip the rim right off the case leaving the case still tightly held in the chamber. The M-16 extractors are used under some of the most adverse conditions when we compete in most Tactical matches. Rain, snow, dust, mud, wind, baking heat, freezing temps, smashing rifles against concrete and rocks and we still run the matches and the extractors still function. The military still uses the Remington extractor with some rifles now sporting the M-16 extractor. Have any failed? Sure. I've fixed or replace several during competitions but I've also seen snapped claw extractors as well but that's because I deal with hundreds of rifles a year not just a handful. I don't think there is a clear winner here at all. Pick the action and rifle which suits your physique and the uses required then go shoot and enjoy! Regards. [/QUOTE]
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