Posted: 7/25/2013 12:41:28 PM EDT
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Colt AR-15 A2 Gov't Carbine (Model 6520), Can I replace your upper receiver for a BCM (http://www.bravocompanyusa.com/Upper-Receiver-Assembly-M4-Flat-Top-demo-p/flat%20top%20-upper%20-m4%20demo.htm)?
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Quoted:
Colt AR-15 A2 Gov't Carbine (Model 6520), Can I replace your upper receiver for a BCM (http://www.bravocompanyusa.com/Upper-Receiver-Assembly-M4-Flat-Top-demo-p/flat%20top%20-upper%20-m4%20demo.htm)? I agree yes you could use that and any mil-spec forged or billet type flattop upper receiver on your 6520. The only issue that might or might not work would be your A2 front sight post height, test it out first if you can't properly zero it you might need a 0.040" taller front sight post. |