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Old 12-05-2012, 22:22   #1
SigFTW
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Rock Island Armory 10mm Review Part TWO!!

Rock Island Amory 1911 10mm range visit.

Stopped by the range on the way home to try out the new RIA 1911 10mm. Shooting at 7 yards, poor lighting so the fiber optic was not optimal. Shot 110 rounds of reloads (165 gr. FMJ Flat Nose bullets with 7.6 gr. Unique.) The gun was snappy and trigger was heavier than what I am use to but still felt really good. Took me some time to get comfortable with the trigger. Was finally able the to get three shots in a quarter size group on the third target, this gun is accurate, much more than I. Then spent the rest of the time trying to shoot out the bulls eye on the large target with the rest of the rounds.

Out of the 110 rounds I had two FTF. The first one did not happen until about 6 mags in, the second was closer to the last 3 mags.

In all, I was very pleased with the performance!

Some observations: When I compared the 1911 45ACP and 10mm S&W barrel to the RIA I did notes the side wall “edge” were not ground down like the others and can become a snagging point. A little grinding and polishing to the barrel should take care of any FTF issues. I will do this myself with a dremel.

Another observation is the spring. The spring feels a little too light for a 10mm.I wonder if they used the same 45ACP spring on the 10mm. I will contact them about my concerns and see about buying a heavier spring. The spring on my S&W 1006 is a lot heavier than the RIA. Another easy fix if you want to shoot some stout loads.

In all I am very happy with RIA 10mm! So, go forth and buy one


Not too shabby!

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Finally!!
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Here is the snagged bullet.
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Old 12-05-2012, 22:33   #2
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Good report. I'd like to hear how it handles hot loads like DT and Underwood. Surely they didn't use a .45ACP spring, but, you sometimes get what you pay for and RIA is new to the 10mm game. I've only had one experience with Amrscor's customer service, and it was pretty positive. Front sight was so loose it started sliding out when I first took it to the range. They paid shipping both ways and polished the feed ramp and throated the barrel, as well as tuned the extractor while they had it just for poops and giggles.
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Old 12-06-2012, 06:39   #3
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Cool,.....good to hear.
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Old 12-06-2012, 08:56   #4
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Quote:
Another observation is the spring. The spring feels a little too light for a 10mm.
Um yeah, especially looking at your ejection port. Some things to consider, a lot of 10mm 1911 guys play around with higher MS # AND an EGW flat slide stop, in addition to upping the recoil spring.
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Old 12-09-2012, 00:28   #5
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Thanks for the report.
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Old 12-09-2012, 01:03   #6
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20 pound recoil spring needed me thinks.
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Old 12-09-2012, 06:08   #7
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I'd start with a 21 pound spring.......
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Old 12-09-2012, 13:04   #8
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I'd consider a shock buff too in addition to a flat bottom firing pin stop and a heavier mainspring as MD357 suggested.
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Old 12-09-2012, 14:45   #9
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I talked to the gunsmith at RIA again and he insist that a heavier spring, heavier than 16# would not work in the RIA 1911 10mm, He tried that out himself. I asked about the Colt Delta Elite 10mm using a 20+lb spring and he said because they had feed issues. He also said to add a shock buffer by WC, this will help.

The only was to verify the claim by the RIA 10mm GS is to put it through the test. I will let y'all know what I find out when the springs come in. The 16# will be here Monday or Tuesday, I'll order a 20 and 21lb Monday.
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Old 12-09-2012, 16:17   #10
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Originally Posted by SigFTW View Post
I talked to the gunsmith at RIA again and he insist that a heavier spring, heavier than 16# would not work in the RIA 1911 10mm, He tried that out himself. I asked about the Colt Delta Elite 10mm using a 20+lb spring and he said because they had feed issues. He also said to add a shock buffer by WC, this will help.

The only was to verify the claim by the RIA 10mm GS is to put it through the test. I will let y'all know what I find out when the springs come in. The 16# will be here Monday or Tuesday, I'll order a 20 and 21lb Monday.
The only real significant difference between the RIA and Delta Elite I can think of would be the heavier barrel in the RIA. Back in the early days of IPSC when we first started using bull barrels with simple compensators we found we had to go to a lighter recoil spring for 100% functioning. Still the 14lb recommended by RIA seems light to me. Please keep us informed.
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Old 12-09-2012, 18:50   #11
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Interesting. Let us know how it goes. One thing though if you put the EGW block in there you should be able to back off on the spring. 500 rounds though to really get it broken in.
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Old 12-09-2012, 22:33   #12
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Originally Posted by SigFTW View Post
I talked to the gunsmith at RIA again and he insist that a heavier spring, heavier than 16# would not work in the RIA 1911 10mm, He tried that out himself. I asked about the Colt Delta Elite 10mm using a 20+lb spring and he said because they had feed issues. He also said to add a shock buffer by WC, this will help.

The only was to verify the claim by the RIA 10mm GS is to put it through the test. I will let y'all know what I find out when the springs come in. The 16# will be here Monday or Tuesday, I'll order a 20 and 21lb Monday.
Yeah, that guy has no clue. I think Dan Wesson runs ~20lbs in theirs too. I KNOW Wilson recommends 20+Lbs because I talked to them about a 10mm conversion for my .40 CQB earlier this year. Read up on some of the other 1911 forums/10mm forums and you'll see what everyone runs. Shock buffs are junk. If it's sprung right, you should have any battering, even with hot loads.
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Old 12-10-2012, 07:24   #13
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My RIA 10 MM came in last Friday . I was able to get to the range Sunday after church.
I had Wolff 18.5 and 20.0 lb recoil springs at the house, I installed the 20.0lb spring . I shot offhand at a 2" shoot N-C dot at 10 yards.
All handloads- 200gr cast at 1000 fps , Nosler 180 gr HP's at 1280 fps and some 135 gr Nosler's at 1450 fps . The only FTF was with the Nosler 135gr HP's ( these were handloads for my G20 SF- reloaded mutiple times) so I really have no complaints.
Accuracy was good with the 200gr cast and 180gr Noslers , easily hitting the 2" dot when I did my part. I will get a trigger job done, all looks pretty good.

Sean
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Old 12-10-2012, 08:10   #14
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Originally Posted by 475-480 View Post
My RIA 10 MM came in last Friday . I was able to get to the range Sunday after church.
I had Wolff 18.5 and 20.0 lb recoil springs at the house, I installed the 20.0lb spring . I shot offhand at a 2" shoot N-C dot at 10 yards.
All handloads- 200gr cast at 1000 fps , Nosler 180 gr HP's at 1280 fps and some 135 gr Nosler's at 1450 fps . The only FTF was with the Nosler 135gr HP's ( these were handloads for my G20 SF- reloaded mutiple times) so I really have no complaints.
Accuracy was good with the 200gr cast and 180gr Noslers , easily hitting the 2" dot when I did my part. I will get a trigger job done, all looks pretty good.

Sean
That's great! Thanks for the info!
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Old 12-13-2012, 18:02   #15
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The new spring is in, don't know how to tell the pounds, Armscor did not mark it so I assume it the 16#, I can tell it's a lot heavier and it was a lot longer, about 3/4".

I did order a 18.5 and 20lb wolff springs and new MSH, should be here next week. need to make up some rounds to test out!
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Old 12-14-2012, 10:59   #16
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I run a 23# recoil spring in my Kimber 10mm, it works well with all loads I have tried from heavy reloads to Blazer aluminum case loads. I don't like shock buffs.
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Old 12-16-2012, 08:15   #17
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I got a chance to shoot mine yesterday.
20 lb recoil spring
48 rounds without a single failure.
Accuracy was good.
Copper fouling was bad.
Started with a perfectly clean barrel, no copper. Barrel after 8 rounds.
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48 rounds at 25 yards off a rest.
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Old 12-16-2012, 20:45   #18
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Originally Posted by MD357 View Post
Yeah, that guy has no clue. I think Dan Wesson runs ~20lbs in theirs too. I KNOW Wilson recommends 20+Lbs because I talked to them about a 10mm conversion for my .40 CQB earlier this year. Read up on some of the other 1911 forums/10mm forums and you'll see what everyone runs. Shock buffs are junk. If it's sprung right, you should have any battering, even with hot loads.
I agree with this post. I've been shooting 10mm for a while in a few platforms including the 1911 than everything stated above seems spot on with my experience; regardless of the barrel profile.
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Old 12-16-2012, 20:51   #19
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Originally Posted by steve4102 View Post
I got a chance to shoot mine yesterday.
20 lb recoil spring
48 rounds without a single failure.
Accuracy was good.
Copper fouling was bad.
Started with a perfectly clean barrel, no copper. Barrel after 8 rounds.
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48 rounds at 25 yards off a rest.
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Very nice. I still have this gun on my "to buy" list.
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Old 12-16-2012, 21:31   #20
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Installed the spring that Armscor send and headed to range. not sure of the weight, 16 or 18lbs, package was not marked.

After 10 full mags it ran very well. When I receive the 18 and 20lb springs next week I'll run her again, I think the 20lb spring will be the one, especial with my loads.

I did a little polishing to the feed ramp and the crown. The crown look so much better than the flat black it came with.

It's been a ride but at least there was nothing majorly wrong with the RIA 10mm, nothing a new spring could not fix. I am very happy with the 10mm and will do some more upgrades.

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