AR-15, M4, and M16 Rifles

AR15 Forum. Colt, Rock River Arms, Olympic Arms, American Spirit, Knight's, DPMS, Bushmasters, and more. Caliber 5.56mm. 9mm, a 7.62mm NATO caliber rifle. AR-15 & M16 Accessories

567 topics in this forum

  1. Drop In Auto Sears ( DIAS ) AR-15 F.A.Q.

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  2. Headspace issue

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  3. 14-16" 7.62 x 39 Barrel

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  4. co-witness scope

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  5. EFFIN-A Compensator

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  6. SureFire 100 Round High Capacity Magazine

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  7. M4 mags

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  8. Colt LE6933 Rifle

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  9. Remove A1 Flash HIder and Install 3 Lug

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