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If you have a full size M16A2/A4 with the A2 Buttstock, you're going to have to purchase a carbine buffer tube, buffer and spring. The buffer tube should come with a castle nut and end plate. Then you can put your M4 collapsible on it. This should work: www.bravocompanyusa.com/Stag-Arms-M4-Stock-p/stock%20m4%20stag%20arms.htm |
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