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Posted: 12/27/2003 4:33:33 PM EDT
[Last Edit: 12/27/2003 5:43:19 PM EDT by FREEFALLE6]
This may be a stupid question but, I normaly shoot 69 grain federal gold and 55 grain winchester out of my SPR. I normaly only shoot the 55 Grain at 25M. I only use the 69 grain at 100M or more. My question is will the 55 grain winchester damage the Barrel? I think it should be fine as it is not surplus ammo. The 55 grain I use is the 40rd winchester value pack from walmart. So far I have put 60 rds of the 55 grain and 50rds of 69 grain through the barrel(of course cleaning/breaking in etc). The accuaracy is still sub MOA I just dont want to damage my barrel shooting the cheap ammo. For 25m (indoor range when 100m is closed)I cant justify shooting a $14(per 20rds) box of 69 grain when the 55 grain is $4.00(per 20rds).
          Thanks FREE
Link Posted: 12/27/2003 6:57:44 PM EDT

I am wondering the same as well.  Your barrel is .223 REM 1-7 or 1-7.5 right?  I do remember reading a debate whether the lighter/faster bullets were harder on the barrel, but I don't remember a real definitive answer.  I use the same walmart 55gr Winchester ammo.  I remember someone telling me they aren't as hot as other mil surplus stuff (M193?)  Are you getting sub MOA at 100M w/ the walmart stuff, or just at 25M.  I would guess that there would be only a negligible difference, if any, based mostly on what I've read here and there.
Link Posted: 12/27/2003 7:13:49 PM EDT
[Last Edit: 12/27/2003 7:19:46 PM EDT by FREEFALLE6]
Yea its the Douglas 18" SPR Barrel from MSTN. 55 grain gives me sub moa at 25M(one ragged hole) At 100M it is about 1-1.5 MOA if I do my part. I think it will be fine just wanted some advice.

55 grain winchester 100M
Link Posted: 12/28/2003 9:53:54 AM EDT
[Last Edit: 12/28/2003 10:06:39 AM EDT by 223Rem]
The 55 grainers @ 3250 FPS will chew up your barrel lightly faster than your 69 grain loads @ 2800 FPS.  With your good barrel, I would only feed it the 69's and maybe some 77 OTM's and forget about the 25m shooting.  Good for a battle zero, but your kickin' SPR will hopefully stay at home for CQB situations.

If you are worried about cost, start to handload.  When it cost $17.00 to load up 100 rounds of 69 grain bullets it looks awfully attractive.
Link Posted: 12/28/2003 2:14:29 PM EDT
Yea Im going to stick with 69 grain ammo. 100rds for $17 that cheap, its time to get a reloader.
Link Posted: 12/28/2003 7:13:02 PM EDT
The value pack stuff is not q3131a. It is a lighter load ment for 223 remington chambers. Should not be worth worrying about. Have fun shooting.
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