G3 Rear Sight Clamping Screw

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Here we are again, coming back to one of my many comparisons that link the parts of a gun to parts of the human body. I always like to think of the iron sights on a rifle as the eyes of the rifle, as they allow the rifle to “see” its target. The rotary rear sight on the Heckler & Koch G3 is no different. Get ready for a short biology lesson on the human eye.

The eye is one of the most complex, amazing organs in the universe. Think about it for a second – your eyes detect, collect and focus light before turning it into electrical signals that are sent along a neural network to your brain, which then converts those signals into visual imagery. Of course this description does not do the eye justice, but what do you expect – I am a writer not a biologist. Part of the aforementioned neural network is the optic nerve, which also connects your eyes to the visual cortex in the brain. Now it is time for the crude comparison. You can think of the G3 rear sight as the eye and the mounting base on the rear of the receiver as the visual cortex. Finally, think of Keepshooting.com’s new G3 rear sight clamping screw as the optic nerve, the connector between the eye and the visual cortex.

The G3 rear sight clamping screw serves to mount the rear sight onto the mounting base on the rear of the receiver. Looking at the rear sight housing, one will notice an oval-shaped cutout. This cutout houses not only the rear sight oval washer but also the rear sight screw washer. In fact, if you look at the underside of the clamping screw head, you will notice small indentations intended for the rear sight screw washers locking teeth.

You can never have enough screws. That’s why we’re ready to offer you a 5-pack of our original HK-produced G3 rear sight clamping screws at only $2.95.

Availability: In Stock

$4.95

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Details

The G3 rear sight clamping screw can be found in the G3 rear sight housing. It is used to mount the rotary rear sight assembly onto the mounting base located on the rear of the receiver. It is an original factory part made in Germany by HK.

Spare parts are an important consideration when it comes to firearms. Like any machine, firearms rely on a series of parts to function properly, including screws. If a part breaks or fails, a repair or replacement is necessary.

It is also important to consider availability. At this time, Keepshooting.com has a wealth of authentic, original factory parts from HK for the G3/HK91/PTR91. Not only are they readily available, but also they are cheap. Now is the time to take advantage.

Additional Information

SKU	G3RSSCREW
Manufacturer	No
Free Shipping	N/A
Brand	H&K
Gun Model	HK 91, HK G3, PTR91
Construction	Steel
Condition	Excellent
Manufacture Status	Original Item
Returns Accepted	Yes - Must Not Be Modified Or Visibly Used

Quality review by Erick on 9/21/2016

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5 pack of screws perfect for securing the rear sight to the receiver. Most look brand new. Couldn't be happier with KeepShooting!
Excellent Value review by David on 11/15/2013

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This five pack was cheaper than just a single screw through another source. I added to a big order I already had in progress. Four of the five appeared brand new - no marks on them anywhere. The fifth has a slight bit of rust on the phillips slot.
Fit my HK receiver perfectly.
Not easily replaced review by RemMax on 5/2/2013

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After my rear sight fell off I had to find a replacement screw to put it back on
Just wish I had found these before I bought mine elsewhere since I paid this price for just one screw there
Now I keep a couple of spares on hand just in case
The pack I got here both look like new with the screw slots in clean neat condition
Good part to pick up as spare while you can get them at this price!
RemMax
Look New.. review by Jeff on 4/22/2013

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Great condition and ready for installation.
Indispensable and cheap! review by roy on 2/9/2013

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Received two yesterday and installed one on my PTR91. I replaced the ugly and bulky screw that came with the rifle. This is a match for the one that comes on the HK91. The screw is metric and left hand thread- not something easily found elsewhere. If such a rifle is in your future then you need this part.