The M4A1 has a "S-1-F" (safe/semi-automatic/fully automatic) trigger group, while the M4 has a "S-1-3" (safe/semi-automatic/3-round burst) trigger group. The M4A1 is used by almost all U.S. special operation units; and is the standard service rifle across the U.S. Army (including conventional forces).

2014年12月31日 · US Army M16A2, M4, and M4A1 Technical Manual Bookreader Item Preview ... a2-m4-m4a1-technical Identifier-ark ark:/13960/s22bk51gcfr Ocr tesseract 5.2.0-1-gc42a Ocr_detected_lang en Ocr_detected_lang_conf 1.0000 Ocr_detected_script Latin Ocr_detected_script_conf 0.9377 ...

The M4A1 Carbine is a shortened version of the M16A2 assault rifle manufactured by Colt. The M4A1 is a favorite amongst US Special Operations Forces. The M4A1 variant comes with a safe / semi-auto / automatic trigger groups as apposed to the safe / semi-auto / 3-round burst configuration found on standard M4s.

Deters and repels adversaries with accurate, lethal and direct fire out to 500 meters. The M4 series 5.56 mm Carbine is a compact version of the M16A2 Rifle and is equipped with a collapsible...

The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock. It is now the standard issue firearm for most...

DISTRIBUTION STATEMENT C-Distribution authorized to U.S. Government agencies and their contractors. This publication is required for administration and operational purposes, as determined 26 October 2005. ARMY ONLY: Other requests for this document shall be referred to U.S. Army TACOM

The new Army marksmanship M4A1 carbine qualification course of fire is a more complex and realistic evaluation of lethality. The integration of barriers, unprompted reloading, and firing...

2013年3月18日 · It is the only 5.56mm carbine in the world to meet or exceed the US Armed Forces MILSPEC standards. The M4 product improvement programme (PIP) is intended to modernise the M4 service rifles in the US Army inventory. Phase one covers the conversion and replacement of regular M4s with the M4A1 version.

2011年7月7日 · The M4A1 carbine, differing from the M4 essentially only in the replacement of the 3 round burst with a fully-automatic fire capability, was originally intended for use by US Army Special...

2023年5月2日 · Like the M16 rifle and M4 carbine, the M4A1 adheres to the military’s LMGAS moniker — it’s a lightweight, magazine-fed, gas-operated, air-cooled, shoulder-fired weapon system. It fires a 5.56 NATO cartridge from standard 30-round magazines. About 80% of its components are compatible with the M16A2 rifle.