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Old May 13, 2018, 14:36   #1
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DSA receivers serial #'s by dates?

Hi, all.
Is there a place that anyone knows of on the net which shows the dates of manufacture of DSA FAL receivers by serial number?

Thanks in advance, J.D.
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Old May 13, 2018, 15:18   #2
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Not that I know of.

Are you trying to date a specific serial #? Some of us can estimate fairly close depending on the range.

DSA will tell you a specific date too.
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Old May 13, 2018, 16:37   #3
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I have a few groups of DSA receivers that were purchased from DSA in the years around 2007, 2008, 2009...
I started hearing about DSA receivers w/ issues sometime in the past, but never looked into it enough to know exactly when that started, but weren't those receivers (not so good) built starting around 2010?
I figured dating the receivers I have would assure customers that, in fact, they are the 'good' DSA receivers that I am selling.

-As I will be selling them in the marketplace here, probably both type I &
type II DSA receivers....
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Old May 13, 2018, 17:18   #4
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To further clarify:

DSA receivers made by LMT are all DS10000 thru DS44000+

Type I Grayslake CHC & NCHC DS10000 thru +/- DS13500
Type I SS Grayslake CHC & NCHC DS10000 thru +/- DS13500
Type I Barrington CHC & NCHC +/-DS13500 thru DS44000+
Type I SS Barrington CHC & NCHC +/-DS13500 thru DS27000+
Type I G1 Barrington CHC with exclusive G1 serial range
Type II Barrington CHC only +/-DS19000 thru DS44000+
Type III Barrington CHC & NCHC +/-DS21000 thru +/-DS40000+
Type IV Barrington NCHC less than 10 total....possibly 7 IIRC
L1A1 Barrington CHC with exclusive AD serial range

*There may have been an LMT made SA/Rhodesian CHC and marked but I haven't seen proof.

For reasons unknown, but speculated to be a barrel issue by GP, the timing changed around DS21000-DS22000 requiring barrels to be turned to time properly. The typical StG barrel removed from a stub would likely time properly to an LMT made DSA up to DS20000-DS21000. DS10000 thru +/-DS21000 timed identical to an Imbel.

DISCLAIMER: This is from memory and has been duscussed before, a search may benefit with more refined info.

YMMV



This is a post I made from 2016. There is an earlier post with more detail.....somewhere.
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Old May 14, 2018, 02:41   #5
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That helps immensely. Thank you!

Mine are LMT.

That's what I wanted to know, but was having trouble remembering...must be the prednisone...
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Old May 17, 2018, 11:09   #6
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Quote:
Originally Posted by nwobhm View Post
To further clarify:

DSA receivers made by LMT are all DS10000 thru DS44000+

Type I Grayslake CHC & NCHC DS10000 thru +/- DS13500
Type I SS Grayslake CHC & NCHC DS10000 thru +/- DS13500
Type I Barrington CHC & NCHC +/-DS13500 thru DS44000+
Type I SS Barrington CHC & NCHC +/-DS13500 thru DS27000+
Type I G1 Barrington CHC with exclusive G1 serial range
Type II Barrington CHC only +/-DS19000 thru DS44000+
Type III Barrington CHC & NCHC +/-DS21000 thru +/-DS40000+
Type IV Barrington NCHC less than 10 total....possibly 7 IIRC
L1A1 Barrington CHC with exclusive AD serial range

*There may have been an LMT made SA/Rhodesian CHC and marked but I haven't seen proof.

For reasons unknown, but speculated to be a barrel issue by GP, the timing changed around DS21000-DS22000 requiring barrels to be turned to time properly. The typical StG barrel removed from a stub would likely time properly to an LMT made DSA up to DS20000-DS21000. DS10000 thru +/-DS21000 timed identical to an Imbel.

DISCLAIMER: This is from memory and has been duscussed before, a search may benefit with more refined info.

YMMV



This is a post I made from 2016. There is an earlier post with more detail.....somewhere.
I can confirm that DS 1307X was a Grayslake, so they go at least that far (no longer in my possession).
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Old May 17, 2018, 14:21   #7
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Quote:
Originally Posted by nwobhm View Post
To further clarify:

DSA receivers made by LMT are all DS10000 thru DS44000+

Type I Grayslake CHC & NCHC DS10000 thru +/- DS13500
Type I SS Grayslake CHC & NCHC DS10000 thru +/- DS13500
Type I Barrington CHC & NCHC +/-DS13500 thru DS44000+
Type I SS Barrington CHC & NCHC +/-DS13500 thru DS27000+
Type I G1 Barrington CHC with exclusive G1 serial range
Type II Barrington CHC only +/-DS19000 thru DS44000+
Type III Barrington CHC & NCHC +/-DS21000 thru +/-DS40000+
Type IV Barrington NCHC less than 10 total....possibly 7 IIRC
L1A1 Barrington CHC with exclusive AD serial range

*There may have been an LMT made SA/Rhodesian CHC and marked but I haven't seen proof.

For reasons unknown, but speculated to be a barrel issue by GP, the timing changed around DS21000-DS22000 requiring barrels to be turned to time properly. The typical StG barrel removed from a stub would likely time properly to an LMT made DSA up to DS20000-DS21000. DS10000 thru +/-DS21000 timed identical to an Imbel.

DISCLAIMER: This is from memory and has been duscussed before, a search may benefit with more refined info.

YMMV



This is a post I made from 2016. There is an earlier post with more detail.....somewhere.
Wasn't the first run of R1 receivers made by LMT? I could've sworn that was the case.

By Type IV do you mean the really late style receivers that had changes made from the Type 3 to make them better for casting? These are the only types I've seen referred to as a Type 4.
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Old May 17, 2018, 15:10   #8
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Quote:
Originally Posted by jhend170 View Post
I can confirm that DS 1307X was a Grayslake, so they go at least that far (no longer in my possession).
DS13500 is 400+ higher than DS1307X.


Quote:
Originally Posted by bigstick61 View Post
Wasn't the first run of R1 receivers made by LMT? I could've sworn that was the case.

By Type IV do you mean the really late style receivers that had changes made from the Type 3 to make them better for casting? These are the only types I've seen referred to as a Type 4.
A DSA Type IV was a receiver that, IIRC, required a special receiver wrench and is dimensionally different on the exterior, thicker is places, than a Type III. It looks more III than anything else but was intended for 300WSM. It never made it beyond the prototype stage, 2 rifles at the most.....I think it was 1.

The typical III & IV in regards to FN is forged vs cast.
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Old May 17, 2018, 17:42   #9
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Quote:
Originally Posted by nwobhm View Post
DS13500 is 400+ higher than DS1307X.




A DSA Type IV was a receiver that, IIRC, required a special receiver wrench and is dimensionally different on the exterior, thicker is places, than a Type III. It looks more III than anything else but was intended for 300WSM. It never made it beyond the prototype stage, 2 rifles at the most.....I think it was 1.

The typical III & IV in regards to FN is forged vs cast.
The reduction in thickness at the mag well on each side is also done differently. Type 4 has a smaller radius there and is a continuous angled line, while Type 3 has a larger radius and is straight, and then curves down near the rear and goes straight back a tad more into it reaches the pivot pin, like what you'd see on Type 1, 2, etc. receivers. Comparing my demilled Type 3 to a Type 4, it also appears that the rear of the charging handle rail is beveled to eliminate the sharp edge on the former, but not the latter. IIRC, the IMBEL Type 4 style receivers were still forged. Not sure why they decided to change rather than keep making the Type 3 in that case.
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Old May 17, 2018, 18:17   #10
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good info - I can date almost any DSA serial number with a no-later-than date. But I didn't record what type it was.



I believe there are DS prefix receivers that are not made by LMT. It was my belief LMT was only up to 19k, DSA reps have given so many different answers, and from known liars, the information is useless.
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Old May 17, 2018, 18:29   #11
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Is there any pattern within a range as to CHC or NCHC? I have 28262 in front of me right now, and it is NCHC
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Old May 18, 2018, 08:24   #12
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[QUOTE=nwobhm;4583396]DS13500 is 400+ higher than DS1307X.
QUOTE]

You don't say? It was left open to an estimate, I was confirming that the Grayslakes went at least that far, with the hopes others would chime in with later ones until we started finding the earliest known (to the files) Lk Barrington. Shouldn't have to be a rocket surgeon to catch on...
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Old May 18, 2018, 16:30   #13
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[QUOTE=jhend170;4583685]
Quote:
Originally Posted by nwobhm View Post
DS13500 is 400+ higher than DS1307X.
QUOTE]

You don't say? It was left open to an estimate, I was confirming that the Grayslakes went at least that far, with the hopes others would chime in with later ones until we started finding the earliest known (to the files) Lk Barrington. Shouldn't have to be a rocket surgeon to catch on...
....and where do you think I came up with those?

DS1002X-DS1354X were Grayslake. The earliest and latest I have owned....if you want to get any closer call DSA...they have the #. I can tell you the earliest bullet logo Barrington I have found too...
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Old May 18, 2018, 18:58   #14
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I've got a NCHC Grayslake... 13749

Anyone got one higher ?
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Old May 18, 2018, 20:07   #15
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I've got a NCHC Grayslake... 13749

Anyone got one higher ?
Factory gun? SS?
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Old May 18, 2018, 23:20   #16
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Not SS....I bought the receiver in the '90s and assembled my first StG

It must be close to the last ones made. I have a couple of low 16000 that are Lake Barrington
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Old May 19, 2018, 07:36   #17
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Not SS....I bought the receiver in the '90s and assembled my first StG

It must be close to the last ones made. I have a couple of low 16000 that are Lake Barrington
Can you post pics? Is it Argy relief cut for the commercial extra pin type lowers?
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Old May 19, 2018, 07:47   #18
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Originally Posted by nwobhm View Post
Can you post pics? Is it Argy relief cut for the commercial extra pin type lowers?
I have a Greyslake with Argy cut. I assumed it didn't come that way. Did the the GL receivers have an Argy cut?
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Old May 19, 2018, 08:30   #19
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I have a Greyslake with Argy cut. I assumed it didn't come that way. Did the the GL receivers have an Argy cut?
Many Grayslakes have the Argy style cut. The later ones usually don't....they are more like the bullet logo receivers.
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Old May 20, 2018, 16:19   #20
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My Grayslake SS, T1, NCHC is within the range listed. It has Argy cuts.
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