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Tennessee Gun Owners Forums
Rifles
AR gas question (update)
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<blockquote data-quote="Omega" data-source="post: 5170478" data-attributes="member: 20060"><p>Did the known good upper/lower have the same gas system? With a mid length gas system, a carbine gas system lower may not have enough gas to push the extra 2". Many normal ARs are over gassed, but when you start playing with barrel length, different length gas tubes, heavier buffers and lighter/heavier springs it can make it difficult to get a rifle to cycle properly. The buffer, spring, and adjustable gas block (if equipped) is used to "tune" your weapon so you only get enough gas to properly cycle your weapon with chosen ammo. The BCG can also affect it if you have an auto vs semi, the auto is a bit heavier, but many choose to change the other parts as they are cheaper.</p><p><img src="https://lh4.googleusercontent.com/fhqwO3qNzF4R3DngscfSlBz9-D979AGDaT343qBtlAJBhxrxTb16A5IWcauyCbIj43i5f5jGI2VG1W13WvfU4IMuGyEKiCrlKAzB8Z_6p0jtCqVCNzP5_ORcVaxmxbFcqiUu_-J1" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Omega, post: 5170478, member: 20060"] Did the known good upper/lower have the same gas system? With a mid length gas system, a carbine gas system lower may not have enough gas to push the extra 2". Many normal ARs are over gassed, but when you start playing with barrel length, different length gas tubes, heavier buffers and lighter/heavier springs it can make it difficult to get a rifle to cycle properly. The buffer, spring, and adjustable gas block (if equipped) is used to "tune" your weapon so you only get enough gas to properly cycle your weapon with chosen ammo. The BCG can also affect it if you have an auto vs semi, the auto is a bit heavier, but many choose to change the other parts as they are cheaper. [IMG]https://lh4.googleusercontent.com/fhqwO3qNzF4R3DngscfSlBz9-D979AGDaT343qBtlAJBhxrxTb16A5IWcauyCbIj43i5f5jGI2VG1W13WvfU4IMuGyEKiCrlKAzB8Z_6p0jtCqVCNzP5_ORcVaxmxbFcqiUu_-J1[/IMG] [/QUOTE]
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AR gas question (update)
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