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Rifles, Reloading, Optics, Equipment
Reloading
Tikka T3 - Excessive Copper Fouling / Accuracy Issues?
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<blockquote data-quote="USGILT" data-source="post: 867038" data-attributes="member: 31171"><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">Wondering if anyone could help me in getting my Tikka T3 Lite chambered in 270 WSM to shoot 1 MOA or better. When shooting factory ammo - Winchester Ballistic Silvertip 130gr and the reloads I have worked up (data listed below) the gun shoots consistently around 1 ¾ - 2" MOA. </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">One thing I noticed is that you have to clean this rifle after every range session at around 25-30 rounds as you will see a lot of excessive copper fouling in the bore and the groups will really start to open up. Maybe this is conducive of 270 WSM's in general I don't know. My buddy has a Winchester Model 70 Super Shadow and with his gun shooting the same reloads it will shoot ¾" MOA at 100yards all day long and does not produce the fouling I see in mine. Different guns I know. One of the issues I have had with this gun is that it seems to have an excessively long throat, i.e. I can seat the bullet well past the allowable magazine length in order to get 0.010 off the lands. </span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">Maybe I am asking for too much but I would think at 100yrds this gun should be able to shoot under 1" MOA?</span></span></p><p></p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">Another thread here on the fourm similar issues but no real resolution- <a href="http://www.longrangehunting.com/forums/f19/tikka-t3-problems-79481/" target="_blank">http://www.longrangehunting.com/forums/f19/tikka-t3-problems-79481/</a></span></span></p><p> </p><p><strong><u><span style="font-family: 'Calibri'"><span style="font-size: 15px">Here is what I am running right now:</span></span></u></strong></p><p>Approximate round count 200-250 down the pipe. Rifle was bought new in 2008 shot occasionally here and there with 3-4 years with zero rounds down range due to deployments.</p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px"><strong>Rifle</strong> – Tikka T3 Lite</span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px"><strong>Caliber</strong> – 270 WSM</span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px"><strong>Barrel Length</strong> – 24.37"</span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px"><strong>Barrel Twist Rate –</strong> 1:10"</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px"><strong>Scope</strong> – Leupold VX-2 6-18x40mm Adj Obj Riflescope, CDS, Fine Duplex Reticle (It's a scope I had lying around so I decided to throw it on to trying and alleviate a lot of me in the accuracy testing process; way to much magnification for a hunting rig)</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px"><strong>Mount</strong> – DNZ Game Reaper One Piece Medium Mount</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">Rifle stock screws (Front/Rear) troq'ed to 35-40 in lbs as per manufacture recomendations. Scope rings properly torq'ed as well.</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">** Reloading data is from the Hornady 6th edition book **</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">(Min Charge – 52.8 2800 fps – Max Charge –60.0 gr 3100 fps; I don't own a chronograph so I don't know exactly what the true velocity is)</span></span></p><p> </p><p><strong><u><span style="font-family: 'Calibri'"><span style="font-size: 15px">Current Reload Data:</span></span></u></strong></p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">Bullet – Hornady 130 gr SST</span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">Powder – IMR 4350 57 gr</span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">Primer – WIN WLRM</span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">COL: 2.824"</span></span></p><p> </p><p><span style="font-family: 'Calibri'"><span style="font-size: 15px">Any assistance would be appreciated,</span></span></p></blockquote><p></p>
[QUOTE="USGILT, post: 867038, member: 31171"] [FONT=Calibri][SIZE=4]Wondering if anyone could help me in getting my Tikka T3 Lite chambered in 270 WSM to shoot 1 MOA or better. When shooting factory ammo - Winchester Ballistic Silvertip 130gr and the reloads I have worked up (data listed below) the gun shoots consistently around 1 ¾ - 2” MOA. [/SIZE][/FONT] [FONT=Calibri][SIZE=4]One thing I noticed is that you have to clean this rifle after every range session at around 25-30 rounds as you will see a lot of excessive copper fouling in the bore and the groups will really start to open up. Maybe this is conducive of 270 WSM’s in general I don’t know. My buddy has a Winchester Model 70 Super Shadow and with his gun shooting the same reloads it will shoot ¾” MOA at 100yards all day long and does not produce the fouling I see in mine. Different guns I know. One of the issues I have had with this gun is that it seems to have an excessively long throat, i.e. I can seat the bullet well past the allowable magazine length in order to get 0.010 off the lands. [/SIZE][/FONT] [FONT=Calibri][SIZE=4]Maybe I am asking for too much but I would think at 100yrds this gun should be able to shoot under 1” MOA?[/SIZE][/FONT] [FONT=Calibri][SIZE=4]Another thread here on the fourm similar issues but no real resolution- [URL]http://www.longrangehunting.com/forums/f19/tikka-t3-problems-79481/[/URL][/SIZE][/FONT] [B][U][FONT=Calibri][SIZE=4]Here is what I am running right now:[/SIZE][/FONT][/U][/B] Approximate round count 200-250 down the pipe. Rifle was bought new in 2008 shot occasionally here and there with 3-4 years with zero rounds down range due to deployments. [FONT=Calibri][SIZE=4][B]Rifle[/B] – Tikka T3 Lite[/SIZE][/FONT] [FONT=Calibri][SIZE=4][B]Caliber[/B] – 270 WSM[/SIZE][/FONT] [FONT=Calibri][SIZE=4][B]Barrel Length[/B] – 24.37”[/SIZE][/FONT] [FONT=Calibri][SIZE=4][B]Barrel Twist Rate –[/B] 1:10"[/SIZE][/FONT] [FONT=Calibri][SIZE=4][B]Scope[/B] – Leupold VX-2 6-18x40mm Adj Obj Riflescope, CDS, Fine Duplex Reticle (It’s a scope I had lying around so I decided to throw it on to trying and alleviate a lot of me in the accuracy testing process; way to much magnification for a hunting rig)[/SIZE][/FONT] [FONT=Calibri][SIZE=4][B]Mount[/B] – DNZ Game Reaper One Piece Medium Mount[/SIZE][/FONT] [FONT=Calibri][SIZE=4]Rifle stock screws (Front/Rear) troq'ed to 35-40 in lbs as per manufacture recomendations. Scope rings properly torq'ed as well.[/SIZE][/FONT] [FONT=Calibri][SIZE=4]** Reloading data is from the Hornady 6th edition book **[/SIZE][/FONT] [FONT=Calibri][SIZE=4](Min Charge – 52.8 2800 fps – Max Charge –60.0 gr 3100 fps; I don’t own a chronograph so I don’t know exactly what the true velocity is)[/SIZE][/FONT] [B][U][FONT=Calibri][SIZE=4]Current Reload Data:[/SIZE][/FONT][/U][/B] [FONT=Calibri][SIZE=4]Bullet – Hornady 130 gr SST[/SIZE][/FONT] [FONT=Calibri][SIZE=4]Powder – IMR 4350 57 gr[/SIZE][/FONT] [FONT=Calibri][SIZE=4]Primer – WIN WLRM[/SIZE][/FONT] [FONT=Calibri][SIZE=4]COL: 2.824”[/SIZE][/FONT] [FONT=Calibri][SIZE=4]Any assistance would be appreciated,[/SIZE][/FONT] [/QUOTE]
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Tikka T3 - Excessive Copper Fouling / Accuracy Issues?
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