Modern Sporter and SLR side by side

Nachoninja

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Finally finished my two builds, haven't shot either yet but no real issues with part fitments on either. The SLR looks shorter than it is due the angle I took the photo. Maple Ridge 18.5" pencil on the SLR and 20" Colt A4 barrel on the Sporter

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I had a Colt AR15A4 that I stripped for parts so everything excpet the trigger came from that. The trigger is a hiperfire edt I believe. No fitment issues except the dust cover rod/pin or whatever it's called had to be filed down about a 1/4" so it didn't interfere with the barrel nut.
 
I had a Colt AR15A4 that I stripped for parts so everything excpet the trigger came from that. The trigger is a hiperfire edt I believe. No fitment issues except the dust cover rod/pin or whatever it's called had to be filed down about a 1/4" so it didn't interfere with the barrel nut.

So... all I have to do is find a Colt AR15A4 lying around somewhere and I’m set...
 
So... all I have to do is find a Colt AR15A4 lying around somewhere and I’m set...

I know you can buy Stag 15 retro rifles at at least one big shop here in Canada (armseast $1500). Basically an A2 replica. Sucks to have to buy a whole rifle and ditch the receiver but might be just as cheap as buying all the individual parts. You can buy retro stock and handguards at a bunch of different shops, maybe get a 20" norinco upper for cheap with the fixed sight for the barrel. I was going to build an A2 clone this way with a bunch of random new/used parts and leave my Colt alone but I decided I might as well just strip it and get more use of the parts since I hardly ever shoot at the range anyway.
 
I know you can buy Stag 15 retro rifles at at least one big shop here in Canada (armseast $1500). Basically an A2 replica. Sucks to have to buy a whole rifle and ditch the receiver but might be just as cheap as buying all the individual parts. You can buy retro stock and handguards at a bunch of different shops, maybe get a 20" norinco upper for cheap with the fixed sight for the barrel. I was going to build an A2 clone this way with a bunch of random new/used parts and leave my Colt alone but I decided I might as well just strip it and get more use of the parts since I hardly ever shoot at the range anyway.

I bought a Stag Arms A2 rifle "kit" through Arms East. It comes with everything except a lower receiver. Picked it up on sale for $845 (regularly a bit over $1000). It's going on one of my MS forward assist receiver sets.
 
The MS Colt definitely looks good. The Stag kit is an option, and I could of course buy a Colt and strip it...

Now if Colt was to package up the A4 parts kit for use on NR receivers....
 
Forgive my ignorance, but does SLR mean self-loading rifle, or something else? I see this acronym a lot lately, and it confuses me- aren't all semi-autos SLR's?

re the OP's fine looking rifles, why is one called an SLR, and the other called a Modern Sporting Rifle?

I'm very new to AR's... can you tell? :)
 
Forgive my ignorance, but does SLR mean self-loading rifle, or something else? I see this acronym a lot lately, and it confuses me- aren't all semi-autos SLR's?

re the OP's fine looking rifles, why is one called an SLR, and the other called a Modern Sporting Rifle?

I'm very new to AR's... can you tell? :)

You have me convinced you're trolling...
 
Forgive my ignorance, but does SLR mean self-loading rifle, or something else? I see this acronym a lot lately, and it confuses me- aren't all semi-autos SLR's?

re the OP's fine looking rifles, why is one called an SLR, and the other called a Modern Sporting Rifle?

I'm very new to AR's... can you tell? :)

All you need to know is that "AR15" stands for "Assault rifle, 15 deaths per trigger pull".
 
SLR is a term that's been around for a long time. I just assume someone thought it was easier to say "SLR" than " Macabee Semi Auto sorta AR15 Cool Gun"
 
Forgive my ignorance, but does SLR mean self-loading rifle, or something else? I see this acronym a lot lately, and it confuses me- aren't all semi-autos SLR's?

re the OP's fine looking rifles, why is one called an SLR, and the other called a Modern Sporting Rifle?

I'm very new to AR's... can you tell? :)

You have me convinced you're trolling...

Nope, It's a genuine question.

I do get caught up in the meanings of words and phrases, though. Not sure if I'm a tad OCD or what.

SLR is just the designation given by MDI to their reciever set design. No meaning publicly stated that I know of but I would pressume your acronym to be correct.

The MS is the acronym for ATRS' Modern Sporter reciever set design.

Neither are by definition an AR rifle (so both NR with an appropriate barrel length), however both use AR parts, and both function and operate identical to an AR in all respects except with regards to how they take down for maintenance etc. MDI SLR uses a screw like a 10/22, the MS uses a single forward takedown pin. Both reciever set designs are proprietary to themselves but use all other standard AR parts to complete them.
 
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