i think you're right, it goes behind the charging handle spring, and usually slots into a projection of the top strap/battery tray so the spring has something to push against
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Words to live by
Quote:
Originally Posted by Kid
The apartment I am in right now costs $100 a month.
My average spending on food per day is less than $4.
My airsoft spending in the last month and a half has totaled over $1400.
They're called priorities. Get yourself some.
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