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The Range
Rifle & Shotgun Discussion
HELP! AR15/M16 question
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<blockquote data-quote="CAR-AR-M16" data-source="post: 1509903" data-attributes="member: 204"><p>Can you post a pic of the ejection port cover with it closed (to see if you have an early or late model door) and a pic of the rear sight adjustment wheel. From your one picture it looks like the direction marking is raised like the pic below which would make the receiver a later 604 model.</p><p></p><p><strong>[Broken External Image]</strong></p><p></p><p></p><p>ArmaLite port door. This part was used on the AR-15, and early M16 and XM16E1 rifles, and was dropped in 1964:</p><p></p><p>[ATTACH=full]89694[/ATTACH]</p><p></p><p>Later M16 and XM16E1 rifles used a new port door starting in 1964. This port door was also used on the M16A1:</p><p></p><p>[ATTACH=full]89695[/ATTACH]</p></blockquote><p></p>
[QUOTE="CAR-AR-M16, post: 1509903, member: 204"] Can you post a pic of the ejection port cover with it closed (to see if you have an early or late model door) and a pic of the rear sight adjustment wheel. From your one picture it looks like the direction marking is raised like the pic below which would make the receiver a later 604 model. [b][Broken External Image][/b] ArmaLite port door. This part was used on the AR-15, and early M16 and XM16E1 rifles, and was dropped in 1964: [attach=full]89694[/attach] Later M16 and XM16E1 rifles used a new port door starting in 1964. This port door was also used on the M16A1: [attach=full]89695[/attach] [/QUOTE]
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HELP! AR15/M16 question
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