2021年2月10日 · The Adaptive Combat Rifle (ACR) is a modular piston-driven rifle that was submitted as a contender to replace the M4. Although designed to be extremely modular with many improvements over the AR-15, the ACR platform never took off — likely due to high cost and lack of support. Design. The ACR was developed by Magpul Industries as the Masada ...

Extensive selection of customizable SIG SAUER rifles & pistol configurations for precision hunting, defense, competitive shooting and tactical maneuverability.

SIG SAUER's official factory direct fit firearm stocks are available in folding and telescoping configurations. Explore MCX, MPX and AR Stocks from SIG SAUER.

初步试验是在5.6×48伊格尔口径（Eiger）和6.5×48 GP80两种弹药之间进行选择，原型枪则分别是SIG公司基于SG540的基础上改进的SG541，和国营伯尔尼兵工厂的SGC42。但最后，瑞士军队选择了在北约5.56×45mm口径的GP90弹，并选中了SIG的方案，但要求对SG541作进一步的改进。

2010年8月25日 · The SCAR feels much more limber and balanced. I like finally being able to reach the mag release without changing my grip. The trigger is subpar to the Sig, it is not bad, but not as good as the excellent trigger on the 556. Muzzle rise seems better than the Sig 556 which is almost 2 pounds heavier; largely secondary to the PWS brake I'm sure.

A comparison of two amazing rifles. No shooting in this video, just an explanation of the similarities and difference of the Sig Sauer 556 Swat Patrol and t...

Easy to install, converts your AR lower to accept a MCX upper.

2020年2月22日 · I really like the ACR stock, but does anyone know if it can be attached to the Sig MCX? I’ve been looking around for adapters (they have some for the CZ Scorpion and SCAR) but I haven’t seen any, so I don’t know if it already can mount or if it’s even possible?

This adapter allows you to put the Magpul Bushmaster ACR Enhanced Folding Stock on your Sig Sauer 553 or 556 rifle. These have been out of stock for 2 years. Back for a limited time, VERY limited quantities. Grab them while you can! CNC 5 axis machined from 6061-T6 Billet then hard coat anodized black with QD slot on the bottom.

2018年7月26日 · A forum community dedicated to SIG Sauer Pistols and SIG Sauer Rifles owners and enthusiasts. Come join the discussion about optics, hunting, gunsmithing, styles, reviews, accessories, classifieds, and more!