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Brian Enos's Forums... Maku mozo!

Finally picked up the Limited Pro 10mm


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Before

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Five 10's or as I call it... .50 :D

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Dawson fiber-optic front in place. I ruined the green pipe the first try :(

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I had doubts it would come with a Polygonal barrel but you tell me. Is it? I kind of think so which would be great for comparisons to the Match!

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I have one of these and like it a lot. I got a flat bottom firing pin stop from Henning which I think helps with unlocking. Sure makes it a little harder to cycle the slide with the hammer down. Great pistol. Hope you enjoy your Pro too.

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flat bottom firing pin stop from Henning which I think helps with unlocking.

I've never heard of this Gary, can you explain the phenomena? Is this just a 10mm thing? I have always seen the back of the slide polished and radiused to reduce the resistance to the slide's initial movement???

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flat bottom firing pin stop from Henning which I think helps with unlocking.

I've never heard of this Gary, can you explain the phenomena? Is this just a 10mm thing? I have always seen the back of the slide polished and radiused to reduce the resistance to the slide's initial movement???

Intercooler2 and Nealio have answered your question, but I'll add I haven't put in a lighter hammer spring as that would be counterproductive to using the flat bottom firing pin stop Henning sells. The reason to slow unlocking of the slide in the 10MM, especially in hot loads, is such recoil is hard on the pistol recoil contact points and if you slow the speed of the slide you lessen the impact on the frame and barrel locking area. Hope that makes sense. Henning should offer a 10MM Package for Witness Pistols.

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He kind of does but doesn't bundle it. Before the first round went out of the Limited Pro I got from Henning: cone guide-rod, 20lb Wolff spring and flat bottom firing pin stop. That strengthens the pistol and makes it ready to handle the heavy stuff. My Match has 1000's of upper end 10mm rounds through it and still looks new.

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That was a long shooting session because I had a blast with the Limited Pro ;D I'm liking the better take-up of the SA trigger in it better than the Match :o In looking at the results for this test based on the American Eagle and lighter version rounds, their may be a slight increase in velocity for Polygonal rifling. Not enough to even worry about but then again maybe more difference would show shooting Lead?


American Eagle 180gr FMJ

(Match) 1121, 1109, 1108, 1117, 1120. Average = 1120 FPS/ 497 LBS

(Limited Pro) 1135, 1127, 1123, 1130, 1129. Average = 1128.8 FPS/ 509 LBS


Underwood Ammo 180gr TMJ

(Match) 1329, 1322, 1345, 1320, 1327, 1342. Average = 1328 FPS/ 705 LBS

(Limited Pro) 1325, 1332, 1344, 1350, 1322. Average = 1334.6 FPS/ 712 LBS


Underwood Ammo 165gr TMJ

(Match) 1400, 1380, 1365, 1411, 1381. Average = 1387.4 FPS 705 LBS

(Limited Pro) 1426, 1377, 1369, 1409, 1418. Average = 1399.8 FPS/ 718 LBS


Underwood Ammo 155gr TMJ

(Match) 1553, 1488, 1537, 1492, 1465. Average = 1507 FPS/ 782 LBS

(Limited Pro) 1486, 1523, 1478, 1511, 1471. Average = 1493.8 FPS/ 768 LBS


Underwood Ammo 135gr Sierra HP

(Match) 1717, 1650. Average = 1683.5 FPS/ 850 LBS

(Limited Pro) 1692, 1619. Average = 1655.5 FPS/ 822 LBS



I shot a ton of American Eagle out of the Limited Pro and Razorback. This is my favorite round for pure shooting fun!
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