07-17-2017, 03:55 AM
Don't worry to much about the brass, it wont last long. Ive had three new builds do the same thing the first 100 rounds. Do watch out for over-gas. Over-gas has been more of a problem that anything.
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New Grendel budget upper
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New Grendel budget upper - by jackwagon - 07-17-2017, 02:14 AM
New Grendel budget upper - by jcjarmon - 07-17-2017, 03:55 AM
New Grendel budget upper - by VASCAR2 - 07-17-2017, 04:00 AM
New Grendel budget upper - by jcjarmon - 07-17-2017, 04:26 AM
New Grendel budget upper - by jackwagon - 07-17-2017, 11:24 PM
New Grendel budget upper - by Timmy2Knives - 08-17-2017, 04:12 PM
New Grendel budget upper - by Kilco - 08-17-2017, 06:08 PM
New Grendel budget upper - by jackwagon - 08-18-2017, 12:54 AM
New Grendel budget upper - by jackwagon - 08-18-2017, 01:23 AM
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