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Chronographed some loads


lawboy

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Braved the 100-degree weather today to chrono some loads so I KNOW what I have rather than guessing.

Load No. 1: Mihec custom mould 203gr LSWC (wheelweight metal)

Mixed brass

Tula LP Primer

4.6grs Bullseye

OAL 1.229

10 shots, Average 847.8

extreme spread 45

High 866.1

Low 821.1

Power Factor 172.

Load No. 2: RCBS 45-230-RN 238gr LRN (wheelweight metal)

Mixed brass

Tula LP Primer

4.6grs Bullseye

OAL 1.213

10 shots, Average 828.3

extreme spread 34

High 842.1

Low 807.8

Power Factor 197.

Think I will use Load No. 1! :cheers:

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  • 2 weeks later...

My original load was

230gr LRN

4.8gr/Bullseye

Mixed brass

FC Primer

OAL =

1.250"

PF'd at 194 shot through an STI Trojan.

I dropped the load to 4.4gr/Bullseye and got a PF of 177. This is now my to go load.

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I used to use Bullseye a long time ago, but switched to WW231, here's some chrono results. This was shot using a Kimber Match Target 1911 with a 5" bbl:

9/28/2006 70 degrees

5.0 gr WW231 Fed primer 230 gr Lead Round Nose

1 750.2-- 760.8

2 764.4-- 799.5

3 802.1-- 779.7

4 744.2-- 787.4

5 806.9-- 753.3

6 772.2-- 763.2

7 780.9-- 769.8

8 756.1-- 765.5

9 802.0-- 754.9

10 758.1-- 756.7

Average 773.0-- 769.1

High 806.9-- 799.5

Low 744.2-- 753.3

ES 62.7-- 46.2

SD 23.2-- 15.3

AD 19.4-- 12.0

10/5/2006 75 degrees

5.0 gr WW231 Fed primer 200 gr SWC

1 766.4

2 748.8

3 787.3

4 775.7

5 787.5

6 785.2

7 767.3

8 775.9

9 780.3

10 790.1

Average 781.5

High 798.8

Low 766.4

ES 31.4

SD 10.2

AD 8.3

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