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The Range
Rifle & Shotgun Discussion
AR barrel nut question
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<blockquote data-quote="CAR-AR-M16" data-source="post: 982801" data-attributes="member: 204"><p>From TM 9-1005-319-23&P, page 3-41</p><p> </p><p>8. Engage threads of barrel nut assembly (9) with upper receiver assembly (8).</p><p></p><p>9. Using combination wrench (10) and torque wrench, torque barrel nut assembly (9) to 30 ft-lb (40.5 N-m). Torque is measured when both wrenches are used together.</p><p></p><p>NOTE: Three times torquing procedure provides for a better thread fit and prevents barrel nuts from becoming loose. Do not use the torque wrench for loosening.</p><p></p><p>10. Make certain all three drive pins or the teeth on combination wrench are engaged with barrel nut assembly (9). Loosen and repeat torque operation. Then loosen the barrel nut again.</p><p></p><p>CAUTION: Do not torque over 80 ft-lb (108 N-m) while tightening the barrel nut assembly to the next hole, to allow for proper alignment of gas tube.</p></blockquote><p></p>
[QUOTE="CAR-AR-M16, post: 982801, member: 204"] From TM 9-1005-319-23&P, page 3-41 8. Engage threads of barrel nut assembly (9) with upper receiver assembly (8). 9. Using combination wrench (10) and torque wrench, torque barrel nut assembly (9) to 30 ft-lb (40.5 N-m). Torque is measured when both wrenches are used together. NOTE: Three times torquing procedure provides for a better thread fit and prevents barrel nuts from becoming loose. Do not use the torque wrench for loosening. 10. Make certain all three drive pins or the teeth on combination wrench are engaged with barrel nut assembly (9). Loosen and repeat torque operation. Then loosen the barrel nut again. CAUTION: Do not torque over 80 ft-lb (108 N-m) while tightening the barrel nut assembly to the next hole, to allow for proper alignment of gas tube. [/QUOTE]
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AR barrel nut question
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