Accession Number:

AD0837082

Title:

5.56-MM SUBMACHINE GUN, XM177E2

Descriptive Note:

Technical information rept.

Corporate Author:

PITTSBURGH UNIV WASHINGTON DC RESEARCH STAFF

Personal Author(s):

Report Date:

1968-06-01

Pagination or Media Count:

9.0

Abstract:

A modified version of the M16A1 5.56-mm rifle, the XM177E2 5.56-mm submachine gun has a shorter barrel, a different type of flash suppressor, and a telescoping butt stock. Gas-operated, air-cooled, and fed from a 20-round aluminum box magazine, the XM177E2 is capable of semiautomatic or full-automatic fire, selectable by a manual lever. Loaded with a full magazine, the weapon weighs 6.8 pounds, has a cyclic rate of fire of from 650 to 900 rounds per minute, and has a muzzle velocity of 2,770 feet per second.

Descriptors:

• *ANTIPERSONNEL WEAPONS
• *MUZZLE VELOCITY
• SMALL ARMS
• AUTOMATIC WEAPONS
• SEMIAUTOMATIC WEAPONS
• AMMUNITION FEED MECHANISMS
• GUN BARREL ATTACHMENTS
• CARTRIDGE CASE EXTRACTORS
• PERFORMANCE(ENGINEERING)
• GUN BARRELS
• CYCLIC RATE

Subject Categories:

• Guns

Distribution Statement:

APPROVED FOR PUBLIC RELEASE