Why Won't My AR-15 Cycle Rounds Properly?

Improper cycling in an AR-15 rifle can be caused by a variety of factors. Here are some potential causes and solutions:

  • Buffer and buffer spring: A weak or damaged buffer or spring can prevent the bolt from cycling fully. Replace with a new buffer and spring.
  • Gas system: Ensure that the gas system is properly aligned and free of obstructions. Clean the gas block, gas tube, and bolt carrier thoroughly.
  • Extractor: A worn or damaged extractor can fail to properly grip the spent cartridge case. Inspect the extractor for wear and replace if necessary.
  • Ejector: A weak or improperly positioned ejector can cause the empty cartridge case to fail to eject fully. Check the ejector's tension and alignment.
  • Ammo: Different ammunition types can affect cycling performance. Try using a different brand or load of ammunition.
  • Why does my AR-15 stovepipe rounds? A worn or broken extractor or ejector can cause stovepiping (when the spent cartridge case is partially ejected and remains in the chamber).
  • Why does my AR-15 double-feed? A damaged or misaligned magazine can cause double-feeding (when two rounds are chambered at the same time).
  • Why does my AR-15 fail to chamber rounds? A dirty or improperly gassed system or a worn or damaged bolt catch can cause chambering failures.
  • Why does my AR-15 bolt carrier fail to lock back on the empty magazine? A worn or damaged bolt catch or a misaligned magazine can prevent the bolt carrier from locking back.
  • Why does my AR-15 jam when shooting rapidly? A weak or broken buffer spring or gas system can cause cycling issues during rapid fire.
  • Magpul MOE Stock
  • Geissele Super Dynamic Trigger
  • Magpul P-Mags
  • Vortex Optics StrikeFire II Red Dot
  • SureFire Warcomp Flash Hider

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