View Full Version : 6 x 45 ( 6mm x 223rem)
rjtfroggy
06-12-2017, 04:56 PM
Just thinking about a new project for winter and wondering if anyone is or has shot one.
How is the barrel life, the accuracy, ease of forming? It will go on a single shot worked over action placed in a McMillan edge.
Use will be short range BR.
Thanks
eyeman
06-12-2017, 05:43 PM
Just thinking about a new project for winter and wondering if anyone is or has shot one.
How is the barrel life, the accuracy, ease of forming? It will go on a single shot worked over action placed in a McMillan edge.
Use will be short range BR.
Thanks
I have one with a shilen barrel. Shoots 55 grain bullets sub moa. Also loaded 70 grain BT. Fun to shoot. Forming is one step with 6x223 dies. Mine is a savage with after market bottom metal to use 10round magazines. Good for prairie dogs or yotes very little recoil
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rbp75503
06-12-2017, 10:24 PM
In 2015 I assembled a 6 X 45 and you can find the thread here (http://www.savageshooters.com/showthread.php?43073-6MM-X45-Build):
The following is a summary of my load development:
Savage MDL10 6mmx45 26" 1-8" Shilen Select Match
Berger 6mm 69gr. FB Match Grade Varmint
Powder
C.O.L.
Start
Max
Best Load
Group
IMR3031
2.260"
23.0
25.5
23.5
.495"
NoGo
H322
2.260"
22.0
24.8
24.5
.539"
NoGo
RL10X
2.260"
21.0
23.4
22.0
.498"
GoodToGo
H335
2.260"
25.5
27.5
26.0
.238"
BL-C (2)
2.260"
27.5
29.5
28.5
.316"
Lot #
Caliber
Case
Trim Length:
Neck Bushing
Headspace DL
O.A.L.
Ogive
Primer
Powder Type
Charge
H335
6X45
Rem Match
<1.760"
0.265"
1.455"
2.469"
1.900"
CCIBR4
H335
26.0
Nosler 6mm 70 gr Ballistic Tip Varmint #39532
Powder
C.O.L.
Start
Max
Most Accurate
Group
NoGo
H335
25.5
27.5
27.0
.966"
GoodToGo
H322
23.0
25.0
24.0
.252"
NoGo
Benchmrk
24.0
27.0C
27.0
.589"
NoGo
RL10X
21.0
23.4
22.5
0.615
Untested
BL-C(2)
27.5
29.5
Untested
H4895
25.5
27.5
Lot #
Caliber
Case
Trim Length:
Neck Bushing
Headspace DL
O.A.L.
Ogive
Primer
Powder Type
Charge
H322
6mm X 45
Rem Match
1.755"
.265"
1.459"
1.900"
CCIBR4
H322
24.0
Lapua 6mm 90gr. Scenar HPBT #LU4PL6047
Powder
C.O.L.
Start
Max
Most Accurate
Group
H335
2.260"
22.5
24.1
23.0
.488"
H322
2.260"
20.5
22.2
21.0
.199"
Benchmrk
2.350"
23.0
26.0C
24.0
.488"
IMR3031
2.350"
22.0
24.5C
23.0 / 23.2
.435"
BL-C(2)
25.0
27.0
25.5
.376"
Lot #
Caliber
Case
Trim Length:
Neck Bushing
Headspace DL
O.A.L.
Ogive
Primer
Powder Type
Charge
IMR3031
6X45
Rem Match
1.755"
0.265"
1.455"
2.469"
1.915"
CCIBR4
IMR3031
23.0
Sierra 6mm 95 gr HPBT MatchKing #000071537C
Powder
C.O.L.
Start
Max
Most Accurate
Group
H335
2.260"
21.0
24.0
24.0
.427"
NoGo
H322
2.260"
20.5
23.0
22.0
.511"
GoodToGo
IMR3031
2.260"
20.5
23.5
20.5
.215"
BL-C(2)
2.260"
25.0
27.0
25.5
.184"
Untested
H4895
2.260"
22.0
24.0C
Lot #
Caliber
Case
Trim Length:
Neck Bushing
Headspace DL
O.A.L.
Ogive
Primer
Powder Type
Charge
H335
6x45
Rem Match
1.755"
0.266"
1.459"
1.910"
CCIBR4
H335
24.0
IMR3031
6x45
Rem Match
1.755"
0.265"
1.459"
2.466"
1.910"
CCIBR4
IMR3031
20.5
BL-C(2)
6x45
Rem Match
1.755"
0.265"
1.457"
2.466"
1.910"
CCIBR4
BL-C(2)
25.5
Scott Evans
06-13-2017, 12:22 AM
If you want speed out of 55g-60g bullets try AA2200.
bsekf
06-15-2017, 09:57 AM
Did you analyze the 6mmTCU, The TCU family (6mm, .25, 6.5, 7mm and .30) was developed for Contenders and is a 6x45AI with a 40 degree shoulder. Dies and reamers are still available.
Check it out, I think it is a better alternative.
Bill
rjtfroggy
06-15-2017, 01:01 PM
Actually I have but I have so much 6mm stuff around it makes better sense.
I have already contacted Apachie and will be starting the wait process as soon as I send the check.
Scott Evans
06-15-2017, 01:25 PM
6TCU and 6x45AI are NOT the same. Close but different.
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