The Heckler & Koch UMP (Universale Maschinenpistole, German for "Universal Machine Pistol") is a submachine gun developed and manufactured by Heckler & Koch. Heckler & Koch developed the UMP as a lighter and cheaper successor to the MP5, though both remain in production. [4]

Heckler & Koch offers two different training systems for handling and training purposes of the UMP. The UMP-H as a detailed replica of the UMP without firing function for pure weapon handling training, as well as the UMP-FX as a dye marking system for simulating realistic operational scenarios.

UMP45冲锋枪（英文：UMP45 Submachine Gun [5]），是德国Heckler & Koch公司（简称：HK公司）专门为美国特种部队开发的一款发射.45英寸（即11.43毫米） [11] 口径子弹的冲锋枪。 UMP45冲锋枪标准长688毫米（打开枪托）、折叠托枪长450毫米、枪宽69毫米、枪高327毫米（配备25发弹匣）、枪管长200毫米、枪重2.3千克；该枪口径为11.43毫米（0.45英寸）。 [2] UMP45冲锋枪于1996年开始研制，1998年被美国特种部队采用，后陆续装备多国特种部队。 …

2019年7月15日 · 咱们知道冲锋枪一般要不就是用自由枪机（比如ump），但现在越来越多讲究精度的冲锋枪开始使用步枪的导气+转栓闭锁（比如mpx、mp7）。 而SMG45用的是枪管短后坐延迟半自由枪机（Short Recoil Delayed Blowback Operating System）...

The HK UMP45 is direct-blowback operated SMG that is made with high-strength polymer receivers. The barrel is designed to take a number of muzzle attachments including suppressors, however the blowback action causes some pressure and cycling issues that reduce the potential effectiveness of a silencer.

Available in a variety of select-fire submachine gun configurations or as a semi-automatic only carbine, the HK UMP (Universal Machine Pistol) was designed with American law enforcement and military units in mind, as it includes a bolt catch feature to …

The UMP is a blowback-operated select-fire submachine gun, fired from a closed bolt. The receiver is made of polymer and controls are fully ambidextrous. UMP can be fired in full-auto, in single shots, and in 2 or 3 round bursts (optional).

smg-45 是一把由美国 lwrc国际 （简称lwrci）设计并生产，基于ar-15的冲锋枪(因为老美习惯了ar的操作方式），使用.45 acp口径。 历史 SMG-45于2015年SHOT Show首次展出，在多次展出后在2019年正式在商业市场发售。

2020年8月26日 · The Heckler & Koch Universale Maschinenpistole (UMP for short) is kind of like H&K’s Jan Brady. The UMP’s older sister (who is frankly much better looking) is the MP5. That 9mm submachine gun rightly gets a lot of attention. Following shortly behind the UMP in my middle-child metaphor is the MP7.

The UMP is a blowback-operated select-fire submachine gun that fires from a closed bolt. It features a polymer stock that can be folded for compactness, a paddle-style magazine release and a handguard that is able to accept accessories such as vertical foregrips.