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Author Topic: Experimental Bullpup Rifles I Have Known  (Read 3249 times)
SHORT-N-SASSY
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« on: May 26, 2012, 06:57:16 AM »

Thoroughly intrigued with the compact, ultra-practical Bullpup configuration, particularly, for carrying on my frequent jaunts to Colorado's rugged, in-the-clouds High Country and Arizona's ever-beckoning expansive Sonoran Desert, I experimented with four Bullpup rifle designs, during the 1970's and 1980's: 6mm Remington-chambered Remington 40XB Bullpup rifle, with forward-mounted contoured pistol grip and mechanical cable-actuated trigger-sear design ---
Two variations on the 50 BMG-chambered Bullpup rifle theme, with mechanically-actuated trigger-sear designs --- IMG_3435.JPG;  223 Remington-chambered non-autoloading Bullpup rifle, with electronically-actuated trigger-sear design (battery pack located in the forward-mounted pistol grip), including a micro-switch/trigger, the consistent release, of which, is measured in ounces, not pounds --- IMG_3437.JPG.


* IMG_3440.JPG (3291.72 KB, 4000x3000 - viewed 651 times.)

* IMG_3435.JPG (2983.56 KB, 4000x3000 - viewed 558 times.)

* IMG_3437.JPG (2799.28 KB, 4000x3000 - viewed 617 times.)
« Last Edit: August 11, 2019, 04:54:08 AM by SHORT-N-SASSY » Logged
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« Reply #1 on: May 26, 2012, 10:10:15 AM »

Very interesting!

How is the electronic trigger powered?  Simple watch batteries, etc?
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SHORT-N-SASSY
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« Reply #2 on: May 26, 2012, 10:34:26 PM »

The 223 Remington/5.56x45mm-chambered Bullpup rifle experiment/working prototype, dubbed "Project: SKY-PUP," as all the major components came together the very day Space Station Skylab disintegrated and fell to Earth (July 11, 1979), incorporates an electronic trigger-sear system powered by a 9-volt battery. This "right-now" brain-to-sear triggering system is combined with a barrel-receiver assembly that is free-floating (except for a rear portion of the unfluted barrel that is mounted to the lightweight outer aluminum housing). The result: consistent 1/2 MOA accuracy --- IMG_3444.JPG.







* IMG_3444.JPG (2298.08 KB, 4000x3000 - viewed 464 times.)
« Last Edit: November 24, 2016, 06:08:04 AM by SHORT-N-SASSY » Logged
SHORT-N-SASSY
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« Reply #3 on: August 11, 2019, 05:13:46 AM »

Correction:

Re: IMG-3440.JPG ---


Re: IMG-3444.JPG ---


Addition:

SKY-PUP trigger pull: 1.660 ounces ---

« Last Edit: August 11, 2019, 09:29:27 AM by SHORT-N-SASSY » Logged
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