Strike Industries SI Sidewinder Flip-Up BUIS (Back-Up Iron Sights) and SI Viper PDW Stock (Personal Defense Weapon Buttstock) for Tactical AR-15/M4/M4A1 Carbine/SBR’s! (Videos!)
Speaking of innovative new Strike Industries (SI) products, the company just released information on the SI Viper PDW Stock (Buttstock) and SI Sidewinder BUIS (Back-Up Iron Sights) flip-up front and rear sights for tactical AR (AR-15)/M4/M4A1 Carbine/SBR’s (Short Barreled Rifles. The SI Viper PDW Stock gives the shooter one of the most compact, lightweight, ergonomic and comfortable telescoping/retractable AR buttstocks on the market, and the SI Sidewinder BUIS system gives the shooter both a top inline AND 45-degree BUIS in one convenient, well-designed sight package. The Viper Stock is also spring-loaded for rapid deployment. Both products are impressive looking, with interesting aesthetics/visuals. That said, DefenseReview’s (DR) first order of business is to have DR writer/contributor and chief new-product tester Jeff Gurwitch run both products as hard as possible at the range, and possibly even operationally, if they meet his rather exacting professional standards.
Here’s the detailed data/info from SI on both:
“SI-VIPER PDW:
Does your PDW Stock do this?
The Viper PDW has is a truly a drop in system that allows the user to retain their existing bolt carriers, without compromise in reliable functionality. This accomplishes several things. First, installation is simplified for the end user. It is no harder, and in some ways easier, to install than traditional stock systems. Second, because the system is designed to work with standard mil-spec bolt carriers, the end user can retain their preferred bolt carrier to include solid filled carriers, or if they already own one, save on the cost to upgrade to the PDW. Third, this system retains the ability to “shotgun” the AR in order to perform field expedient remedial actions in the same manner as the end user is accustomed to, negating the need to learn a new manual of arms as is necessary for many competitor systems.
Because of the ultra compact nature of the PDW system, we have found that the vast majority of users only use two positions: the full closed for storage/confined environment deployment, or full open in usage more similar to traditional carbine deployment. So for the sake of simplicity and strength, the stock retains only two positions. Furthermore, the stock utilizes button actuated, spring loaded stock bars to facilitate intuitive, rapid, one handed, ambidextrous deployment or stowage.
One of the chief complaints of PDW stocks is the ergonomic compromise necessary for such a compact design. Although many simply accept this as a necessary design constraint, that is not how we at Strike Industries feel. Included with every Viper PDW is an enhanced cheek weld made of flexible, but strong TPE. The toe of the stock is carefully designed with human factor engineering considerations to fully maximize the CQB potential of the weapon system. The shoulder weld is designed for orbital engagement of shoulder pocket to maximize the surface area contact despite the compact footprint resulting in greater comfort and increased control. In the close quarters battle arena, one is often forced into unorthodox, off-axis shooting positions. The stock interfaces with the shoulder pocket much like a ball and socket joint, allowing for the shooter to maximize stability at nearly any angle, increasing the end user’s hit probability.
The SI Viper PDW is truly a complete, no-compromise, CQB solution that elevates the AR PDW concept to the next level.
SI-SIDEWINDER-BUIS:
Low Profile Multi-role Back Up Iron Sight
The SI Sidewinder sights offer unprecedented flexibility over traditional back up iron sights. In one extremely compact package, one has the option of either top inline, or 45 degree offset sights. Tool free windage and elevation simplifies zeroing and in field sighting adjustment. Steel construction of the mounting system ensures high strength and the aluminum body keeps weight low.
With the high level of modularity in modern service rifles, a single weapon platform can be adapted around a variety of mission parameters from long distance, designated marksman type roles to close quarters battle. The SI Sidewinder is the only sight that is adaptable as you and your equipment. If set up with a red dot or similar short range sighting system, the top inline position functions much like a standard back up iron sight. If one is configuring the host platform for longer range use with larger optics, or with optic enhancers such as night vision or magnifiers, the Sidewinder BUIS can easily switched over to a 45 degree offset position. In this configuration, the ultra low profile of the Sidewinder becomes a much more apparent asset. When folded down and out of the way in the offset position, the sight lays as low as the picatinny rail itself, allowing for clearance of even the largest of magnified optics. This offset position makes for fast near-far transitions much faster than adjusting magnification.
The true strength of this system is that no matter your particular need for a back up iron sight is, the SI Sidewinder can be adapted to fit that role.”
Strike Industries SI Sidewinder Flip-Up BUIS (Back-Up Iron Sights) and SI Viper PDW Stock (Personal Defense Weapon Buttstock) for Tactical AR-15/M4/M4A1 Carbine/SBR’s! (Videos!)
by David Crane
About David Crane
David Crane started publishing online in 2001. Since that time, governments, military organizations, Special Operators (i.e. professional trigger pullers), agencies, and civilian tactical shooters the world over have come to depend on Defense Review as the authoritative source of news and information on "the latest and greatest" in the field of military defense and tactical technology and hardware, including tactical firearms, ammunition, equipment, gear, and training.
DefenseReview.com (DR): An online tactical technology and military defense technology magazine with particular focus on the latest and greatest tactical firearms news (tactical gun news), tactical gear news and tactical shooting news.
Speaking of innovative new Strike Industries (SI) products, the company just released information on the SI Viper PDW Stock (Buttstock) and SI Sidewinder BUIS (Back-Up Iron Sights) flip-up front and rear sights for tactical AR (AR-15)/M4/M4A1 Carbine/SBR’s (Short Barreled Rifles. The SI Viper PDW Stock gives the shooter one of the most compact, lightweight, ergonomic and comfortable telescoping/retractable AR buttstocks on the market, and the SI Sidewinder BUIS system gives the shooter both a top inline AND 45-degree BUIS in one convenient, well-designed sight package. The Viper Stock is also spring-loaded for rapid deployment. Both products are impressive looking, with interesting aesthetics/visuals. That said, DefenseReview’s (DR) first order of business is to have DR writer/contributor and chief new-product tester Jeff Gurwitch run both products as hard as possible at the range, and possibly even operationally, if they meet his rather exacting professional standards.
The Viper PDW has is a truly a drop in system that allows the user to retain their existing bolt carriers, without compromise in reliable functionality. This accomplishes several things. First, installation is simplified for the end user. It is no harder, and in some ways easier, to install than traditional stock systems. Second, because the system is designed to work with standard mil-spec bolt carriers, the end user can retain their preferred bolt carrier to include solid filled carriers, or if they already own one, save on the cost to upgrade to the PDW. Third, this system retains the ability to “shotgun” the AR in order to perform field expedient remedial actions in the same manner as the end user is accustomed to, negating the need to learn a new manual of arms as is necessary for many competitor systems.
The SI Sidewinder sights offer unprecedented flexibility over traditional back up iron sights. In one extremely compact package, one has the option of either top inline, or 45 degree offset sights. Tool free windage and elevation simplifies zeroing and in field sighting adjustment. Steel construction of the mounting system ensures high strength and the aluminum body keeps weight low.
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