Spectre Ballistics Light Practical Carbine - NR Receiver Set

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What do the bolt knobs look like? Do they thread in? Will there be different bolt knobs available?

Here's a potato quality photo of the finished knob. It's a simple and clean design made from aluminium. It's retained with a bolt. Very light, very simple, works great. We do plan on making different knobs for this.

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Will the bolt carrier be held forward by something other than the gas rings on the bolt? I am wondering what happens if one were to aim this upwards with worn gas rings.

You know, in case I have to take on a flock of Corona bats or knock a samsquatch out of a tree or something.

I understand the cycle of operations of an AR. I
 
Will the bolt carrier be held forward by something other than the gas rings on the bolt? I am wondering what happens if one were to aim this upwards with worn gas rings.

You know, in case I have to take on a flock of Corona bats or knock a samsquatch out of a tree or something.

I understand the cycle of operations of an AR. I

We originally designed a detent to hold it closed, however we immediately found the magazine spring works perfectly. Adds just the right amount of friction to keep everything closed and runs really smooth. Works are all angles. I put a sling on our test gun and ran up and down the stairs, carried it in all possible ways, and banged it on stuff. Works great. We're keeping things as simple as possible.
 
Is there a recommended manual of arms for this? Like for hunting vs bench shooting? Does to make more sense to keep your hand on the pistol grip and use your support hand to manipulate the bolt? Or just like a regular bolt action, use your pistol grip hand to manipulate the bolt?
 
Is there a recommended manual of arms for this? Like for hunting vs bench shooting? Does to make more sense to keep your hand on the pistol grip and use your support hand to manipulate the bolt? Or just like a regular bolt action, use your pistol grip hand to manipulate the bolt?

Completely up to you. From a bench or prone I prefer the bolt knob on the left side, as a right hand shooter. For walking though the bush or shooting unsupported I prefer it on the right.
 
Just an update for everyone... Uppers are coming along really well. The first finished upper from batch 1 came off the CNC on Friday. Bolt knobs are finished as well.

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Nice work Spectre! I still think it looks way cool in plain aluminum. Has anyone tried to use Cerakote Clear on a firearm yet?

 
Anodizing is one process, Ceracoating another very different one. Colours can be incorporated in either.
 
Do you guys make a folding stock adapter for this? If not, would the MDT folding stock adapter mate nicely to this?

I asked Spectre on Reddit regarding adding a picatinny rail for MCX folding stocks to the back end, or them building an adapter; below is my question, and their answer:

Ustauk on Reddit said:
Spectre, from an engineering perspective, how hard would it be for you to cut a run of uppers with a picatinny rail stock attachment point instead of the buffer tube socket, similar to what Brownell's did with their BRN-180 lowers? Or would it be easier for you to make your own adapter, similar to the one from KNS?

Spectre Ballistics on Reddit said:
It would be possible, but I think we will just make an adapter. We can't really shorten the action any. Our adapter would just thread into the buffer tube hole.

If Spectre can make a buffer tube socket to Picatinny adapter, I suspect they can make a folding stock buffer socket adapter, similar the one for MDT, if there is enough demand. There are other firearms that use a buffer tube without a spring in it, so they'd have a market for it, and could probably easily sell it in the States, too.
 
Is the upper sized for a milspec or commercial buffer tube?

Respectfully.........

The threads on the buffer tube are the same for Mil-Spec and commercial.

Where the two of them differ is in the external diameter of the tube.

Off the top of my head

Mil-spec = 1.14" nominal with a flat end of the tube

Commercial spec = 1.17" nominal with a slightly sloped end of the tube

It is my understanding the difference is simply due to the manufacturing process

Please note: The following images have been shamelessly borrowed from the web for educational purposes

Milspec_vs_Com_buffer_tube_pic1.jpg


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