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Forums
The Range
NFA & Class III Discussion
Colt Full Auto- Rate of fire---
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<blockquote data-quote="Glocktogo" data-source="post: 1125995" data-attributes="member: 1132"><p>There are 4 different buffer weights for collapsible stock AR's, along with different buffer springs. All of those will adjust the full auto rate of fire up or down. So will an adjustable gas block and different bolt carrier weights (though most full auto bolt carriers will weigh nearly the same). The heavier the weights, the slower the cyclic rate will be. Cyclic rate will also vary based on fouling and lubrication, but not as much generally.</p><p></p><p>The big thing to do is select a combination that will give you the correct ejection pattern. Brass should eject at 4-5 o'clock. Further forward and it's overgassed, causing accelerated wear and possible parts failure. Further back and it's undergassed, possibly causing malfunctions.</p></blockquote><p></p>
[QUOTE="Glocktogo, post: 1125995, member: 1132"] There are 4 different buffer weights for collapsible stock AR's, along with different buffer springs. All of those will adjust the full auto rate of fire up or down. So will an adjustable gas block and different bolt carrier weights (though most full auto bolt carriers will weigh nearly the same). The heavier the weights, the slower the cyclic rate will be. Cyclic rate will also vary based on fouling and lubrication, but not as much generally. The big thing to do is select a combination that will give you the correct ejection pattern. Brass should eject at 4-5 o'clock. Further forward and it's overgassed, causing accelerated wear and possible parts failure. Further back and it's undergassed, possibly causing malfunctions. [/QUOTE]
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Colt Full Auto- Rate of fire---
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