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Colt SP6920, LE6920, 6720
BCM Lower/ARP 6.8SPC upper for hog hunting
DD M4V5 clone, Troy 5.56 Carbine, S&W M&P10
PSA Lower/BCM LW 16" middie CHF upper
PSA Lower/BCM LW 14.5" middie upper
2 PSA 18"6.8 rifles, PSA 20" M16A4 clone
Remington 870, Remington 700VTR
SA XDm9, XDm9C, , XD9SC S&W 1911
Ruger GP100, Hawkeye77 Compact 6.8SPC
Kel-Tec KSG, Marlin 336 30-30, HK 45C, VP9
Sig 1911 Tacops, Scorpion 1911, M11A1, P226 Mk25
I have a $20 DSA exstension and a $33 7075 extruded exstension and they are NOT the same, sure similar in look but the color is not the same. The DSA tube seems softer. The DSA tube will suffice but you're only talking generally a $12-$15 difference in price between that and and a LMT, DD, BCM or COLT exstension.
I've used DSA (before I knew the difference), CMT, and LMT.
LMT, to me, is the best carbine tube. What sets it apart is great threads, dry-film lube, and a tab that keeps the tube straightly aligned.
The variable which is still questionable to me is the buffer. The spring is fine a standard rifle length as a poster stated above.
So far it has been reliable with various types of ammo at a round cou t of around 3k. This includes when I used to shoot brown bear and Tula ammo. Now I'm sticking to all brass stuff like PMC and various m193.
Hopefully one day we will see the A5 fielded by a broad variety of users and we will have more data.
You guys ROCK,
lots of good links.
I bought a Tube from a forum member, I got a good deal on a LMT tube. I should have it next week!!
Thanks again, and I didn't know how different some tubes are from others.
This isn't TOS, so stop it with the Kool-Aid bullshit. There is a lot of value added in the quality of materials for that $20. If that doesn't matter to you then why even get involved in the conversation? A $20 difference in something a crucial to function as a buffer tube should not even be questioned.
The A5 buffer is a rifle buffer. For some reason, a lot of people are having a hard time with this. I guess it's one of those cases where it's so simple, it's confusing.
The A5 is basically a rifle RE with a rifle action spring and a rifle buffer. The difference is the buffer does not have the rifle buffer's spacer (or whatever it's called) and the extension itself is 3/4" shorter, the same amount shorter as the buffer.
The rifle system has been around longer than the carbine RE and is proven. It's more tolerant in most cases than a carbine RE. The 14.5" mid length is really the only one that may have issues using the standard A5 buffer. Lighten it and you're good to go.
Another issue is people assume the A5 is needed to lessen recoil. Sure, it's a positive side effect, but it's not the primary purpose. The rifle system is more tolerant and should make most rifles more reliable. Remember, you give something to get something. In the case of the carbine RE with a collapsible stock, you give up a little tolerance for compactness and adjustability. The A5 gives you both.
It's not a bandaid for existing problems and it's not made to lessen recoil.
Proven combat techniques may not be flashy and may require a bit more physical effort on the part of the shooter. Further, they may not win competition matches, but they will help ensure your survival in a shooting or gunfight on the street. ~ Paul Howe
I just purchased a PWS lower that came with a PWS enhanced buffer tube... Haven't shot it yet... But it feels solid, one thing that's different is there is no castle nut just two built in locking Allen head set screws. Going out this weekend to put it through the paces for my self... It's a little more than $20 though, it's also CBC machined out of 7075
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