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SI Ballistic M Frame Alpha Matte Black w/ Grey
$371.00
9 in stock
ALPHA is a three-part system composed of a frame, gasket and goggle. A single lens works across all platforms.The complete package, the ALPHA Operator Kit contains the entire Oakley ALPHA ‘eco-system.’ A design founded on modularity and scalability.
FRAME & LENSES
Lens Height 57 mm
Frame Width 139 mm
Arm Length 132 mm
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Specifications:
Color: Black, FDE, Tan or Taupe
Panel Length: 5.5″
Material: Polymer
Quantity: 7
Model: P/N:31190-BLK, 31190-TAN, 31190-TAU
Manufactured by: Knight’s Armament Company
Note On Colors: Tan and Taupe are Knight’s Armament colors, Flat Dark Earth is a match to Magpul FDE -
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KAC URX 4 IBN Keymod Rail 5.56mm 13.0″ Length
URX 4 The URX 4 is a continuous top-rail system that utilizes the Keymod mounting brackets developed by Vltor and Noveske. This rail system is built stronger and more stable than previous designs due to the absence of a removable bottom rail. The modular layout allows an end user to fully customize exactly where to place accessories without the use of specialized tools, small parts, or additional forces applied to the barrel.
The URX 4 is currently available for 5.56 rifles in 8.5, 10, 10.75″, 13, and 14.5 lengths, and is equipped with Knights unique IBN mounting configuration. The idea was to create a more modular, and thus more serviceable, rail system that still maintains its strength and stiffness. The IBN system torques the rail onto the weapon and allows the rail to act as the barrel nut. This design was developed to increase stabilization and provide a simpler solution that requires less specialized tools to install and maintain.
A full array of modular accessories, iron sights, and panel kits utilizing the Keymod mounting brackets have been developed specifically to accompany this rail system. With the introduction of the URX 4, Knights Armament Company demonstrates its continuing determination to intelligently design effective products.
Two QD sling swivel sockets built in at the rear of the rail. Includes shim kit and installation wrench.
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Specifications:
Material: Steel
Elevation Adjustable: Yes
Windage Adjustable: Yes
Zeroing Tips:
25/300 Meter Zero: Place a target 25 meters down range. Turn the rear sight drum to the ‘Z’ setting and fire a 3 round group(s). Adjust the front sight post and rear sight windage knob until the desired point-of-aim/point-of-impact is achieved. If possible, turn the rear sight drum to the ‘3’ setting and confirm zero at 300 meters. 50/200 Meter Zero: Place a target 50 meters down range. Turn the rear sight drum to the ‘2’ setting and fire a 3 round group(s). Adjust the front sight post and rear sight windage knob until the desired point-of-aim/point-of-impact is achieved. If possible, place a target 200 meters down range and confirm zero.
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