It is essentially a heavily modified M16 rifle designed to provide U.S. Army designated marksmen greater accuracy and firepower at longer ranges, increasing an infantry squad's effective range to up to 600 meters.

美国陆军的精确射击步枪的正式名称是“班级指定神枪手步枪”（United States Army Squad Designated Marksman Rifle），简称SDM-R，而海军陆战队的相同武器的正式名称为“班用高级神枪手步枪”（U.S. Marine Corps Squad Advanced Marksman Rifle），简称SAM-R。 首先来理解一下什么叫“SDM-R”。

Squad Advanced Marksmen of I MEF, which is based at Camp Pendleton, California, made do with M16A4s with KAC M5 RAS forearms and TA31F ACOGs. Some SAM-Rs are nicknamed "West Coast SAM-Rs", though they are simply M16A4s with optics and bipods and not an 'accurized' rifle like the SAM-R used by the Marines of II MEF. [3]

The United States Army Squad Designated Marksman Rifle (SDM-R) is a heavily modified M16-series semi-automatic rifle intended to provide increased accuracy over range, giving infantry squads greater firepower.

The Squad Designated Marksman Rifle (SDM-R) is an American designated marksman rifle used by the United States Army. It is essentially a heavily modified M16 rifle designed to provide U.S. Army designated marksmen greater accuracy and firepower at longer ranges, increasing an infantry squad's effective range to up to 600 meters.

2018年5月10日 · The ruggedized SDMR TANGO6 1-6×24 riflescope features a Flat Dark Earth (FDE) anodized aircraft grade aluminum maintube, 762 Extended Range Bullet Drop Compensation (BDC) illuminated front focal plane reticle, an ultra-bright red horseshoe dot for fast daylight target acquisition, locking illumination dial, Power Selector Ring (PSR) Throw ...

2015年7月29日 · Upper & Lower Receivers: The lower and upper receivers are standard M16A4. The SAM-R has a standard M16A1 single-stage trigger installed, which allows limited use as an automatic rifle, ammunition permitting (See Mk 262 Mod 1), but there also have been examples using Knight's Armament (henceforth referred to as KAC) two-stage match triggers.

The M110A1 Squad Designated Marksman Rifle (SDMR) is a semi-automatic, short stroke gas piston operated, air- cooled, magazine-fed, shoulder-fired weapon system. This...

2023年6月18日 · The army SDM-R is a 20" Douglas SS fluted barrel with FSB flats milled on the barrel for set screws, m16a4 lowers and a Daniel Defense M4 rifle rail which has been long discontinued which will be the hardest thing to find. This is my SDM-R clone or inspired build. https://imgur.com/a/YK5JJ3z.

2019年7月15日 · Heckler & Koch announced last week they are preparing to deliver a shipment of new rifle weapon systems as part of the U.S. Army’s Squad Designated Marksman Rifle contract. The SDMR is a variant...