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Remington Model 870 Wingmaster with 20" Home Defence barrel. Remington 870 fitted with a pistol grip, Surefire light, and M4-type stock. There are hundreds of variations of the Remington 870 in 12, 16, 20, 28 gauges and .410 bore. All Remington 870 versions are built on the same platform and receiver, but there are small differences that can be ...
Open sights also take much more time to use—the buckhorn type is the slowest, patridge, "U" and "V" type notch sights are only a bit quicker; only the express sight is relatively fast. In addition, open sights tend to block out the lower portion of the shooter's field of view by nature, and because of the depth of field limitations of the ...
Many reflex sights (e.g. red dot sights) and holographic sights have proprietary mounts. [23] Aimpoint Acro rail: A dovetail rail for attaching a sight via a clamping mechanism, and with a 4 mm [24] wide straight recoil lug groove. The dovetail is approximately 16.5 mm wide, and is radiused so as not to have any sharp edges.
The term express is still in use today, and is applied to rifles, ammunition, and a type of iron sight. With the widespread adoption of small bore, high velocity rifle cartridges, the meaning of express has shifted in modern usage, and refers to high velocity, large bore rifles and ammunition, typically used for hunting large or dangerous game ...
Telescopic sights are used with all types of systems that require magnification in addition to reliable visual aiming, as opposed to non-magnifying iron sights, reflector (reflex) sights, holographic sights or laser sights, and are most commonly found on long-barrel firearms, particularly rifles, usually via a scope mount.
Singaporean soldier aiming a SAR 21 with laser sight. A laser sight is a device attached or integral to a firearm to aid target acquisition. Unlike optical and iron sights where the user looks through the device to aim at the target, laser sights project a beam onto the target, providing a visual reference point.
However, buttstocks made for the more common 12-gauge version of the Remington 870 will usually not fit. Barrel The 7600 and 7615 models feature a free floated barrel [ 9 ] attached to the receiver using a 1 ⁄ 4 inch (6.35 mm) UNF bolt screw for enhanced accuracy (contrary to the Model 760 and Model 870 which are not free floated).
The optic has two standard reticles: both are a cross, feature a range finder out to 600 m (656 yd) for 5.56x45 and 800 m (875 yd) for 7.62x51, where they differ is in the bulletdrop design, where the one called CX5395/CX5396 uses circles to denote the range, while the other called CX5455/CX5456 uses lines and also features lines for windage.
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