Quick Tip: Pistol Caliber AR-15 Buffer Weights
This video explains the necessity of heavier buffers in pistol caliber AR-15s compared to standard carbine buffers. The increased weight is crucial for blowback-operated systems to slow the bolt's rearward travel, preventing premature ejection and potential malfunctions. The video also touches on how buffer length can be adjusted for specific calibers and reduced bolt travel.













