It was available in civilian and military/law enforcement (select-fire) variants. [6] It was introduced at the 2007 SHOT Show. The first few STG-556 rifles were chambered in .223 Caliber. [4] In July 2012, MSAR resurfaced with a new STG-556 rifle variant known as the STG-E4. [7] MSAR closed down permanently on March 20, 2015. [8] .

May 4, 2014 · + High quality polymer construction + Very impressive fluted quick detach barrel + High 42 round magazine capacity + Ambidextrous design + Easy disassembly and assembly for cleaning + Very well balanced center of gravity when fully loaded + Adjustable gas settings for different ammunitions or when firing suppressed.

Jul 23, 2012 · Microtech Small Arms Research went out of business a while ago, but their website is back online and the new owners are bringing an updated version of the STG rifle to market. The STG-E4 is patterned after the Steyr AUG. It will be available with either .223 or .300 AAC BLK barrels. The fluted barrels are available in 16.5”, 18.5” and 20” lengths.

Dec 7, 2009 · With all the above in mind, I started looking for a deal on a new E4. I like the AUG magazines but I've already got a couple boxes of M16 magazines so the choice of the E4 seemed like a logical one. I started keeping an eye on gunbroker.com and recently won an auction for a green MSAR with the AUG-alike 1.5x optic.

Aug 3, 2010 · The E4 is easy to identify because of the lower, "non-raised" optic rail, additional rail locations, different stock texture, and an AR-15-esque "nub" on the grip.

Serial #600-P010431, 5.56mm NATO, 16" and 20" fluted barrels with excellent, bright bores. This is a US-made version of the venerable Steyr AUG, and is fitted with the 1.5x optic. The OEM …

Standard flash hider on the quick detach barrel with an adjustable gas system and standard markings. Fitted with a Picatinny/AUG style scope rail, folding forward grip, and a textured polymer outer chassis. Compatible with standard STANAG magazines.

MSAR stands for Microtech Small Arms Research, a branch off of the Microtech knife company. These had a spotty reputation for reliability and went through about 4 revisions during its short …

The MSAR is an American mfg. bullpup, very similar in aesthetics to the Steyr AUG. In true bullpup fashion, the operator has the ability to utilize a long bbl. to take advantage of available...

Gun is in great condition, comes with one mag and scope as seen in pictures. MSAR xm17-e4 for sale online.