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Posted: 9/18/2016 7:50:31 PM EDT
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Who makes the best 556 can for repeatability and the least POI shift. This would do douple duty on an highly accurate AR and a bolt gun.
Thanks! |
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Quoted:
Thunderbeast Ultra 7 223 CB. Use the flash hider mount and you won't need shims. I would echo. Not to say offerings from rugged, dead air, and others are bad choices but I have been impressed with the Thunderbeast cans I have used. And if a frequent higher rate of fire isn't happening then TBAC is good especially at around 10oz |
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Take some of that money and have the barrel cut/re-threaded by a precision rife smith that can hold the runout down to as small as possible (e.g. Mark Gordon of SAC threads barrels concentric to 0.0002" to the actual bore). That's who I plan on sending the bolt gun to. 
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You realize that everyone is just going to post what they own and most do not have a large sample size?
That being said: Consistency, best to worst: Surefire SOCOM RC Gemtech G5 Allen AEM5 (the allen also has some hot/cold shift) POI Shift, best to worst: Surefire SOCOM RC <1 MOA to 1.5 MOA Gemtech G5 1.5 to 4 MOA Allen AEM5 6 to 8 MOA (POI shift varies by rifle, averages shown, groups at 100Y. SOCOM and G5 have each been checked on more than 3 rifles) For fun: Back pressure/gas blockback, best to worst: Surefire SOCOM RC Gemtech G5 Allen AEM5 Sound (to ears, not metered), best to worst: Allen AEM5 Gemtech G5 Surefire SOCOM RC To the firer, the Surefire is noticeably louder than the other two. The other factors, to me, outweigh this and I would keep it over the other two. |
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Quoted:
You realize that everyone is just going to post what they own and most do not have a large sample size? That being said: Consistency, best to worst: Surefire SOCOM RC Gemtech G5 Allen AEM5 (the allen also has some hot/cold shift) POI Shift, best to worst: Surefire SOCOM RC <1 MOA to 1.5 MOA Gemtech G5 1.5 to 4 MOA Allen AEM5 6 to 8 MOA (POI shift varies by rifle, averages shown, groups at 100Y. SOCOM and G5 have each been checked on more than 3 rifles) For fun: Back pressure/gas blockback, best to worst: Surefire SOCOM RC Gemtech G5 Allen AEM5 Sound (to ears, not metered), best to worst: Allen AEM5 Gemtech G5 Surefire SOCOM RC To the firer, the Surefire is noticeably louder than the other two. The other factors, to me, outweigh this and I would keep it over the other two. Maybe you got a lemon AEM5. I though they were supposed to be near zero shift and very little blowback. Interesting |
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Quoted:
Maybe you got a lemon AEM5. I though they were supposed to be near zero shift and very little blowback. Interesting Quoted:
Quoted:
You realize that everyone is just going to post what they own and most do not have a large sample size? That being said: Consistency, best to worst: Surefire SOCOM RC Gemtech G5 Allen AEM5 (the allen also has some hot/cold shift) POI Shift, best to worst: Surefire SOCOM RC <1 MOA to 1.5 MOA Gemtech G5 1.5 to 4 MOA Allen AEM5 6 to 8 MOA (POI shift varies by rifle, averages shown, groups at 100Y. SOCOM and G5 have each been checked on more than 3 rifles) For fun: Back pressure/gas blockback, best to worst: Surefire SOCOM RC Gemtech G5 Allen AEM5 Sound (to ears, not metered), best to worst: Allen AEM5 Gemtech G5 Surefire SOCOM RC To the firer, the Surefire is noticeably louder than the other two. The other factors, to me, outweigh this and I would keep it over the other two. Maybe you got a lemon AEM5. I though they were supposed to be near zero shift and very little blowback. Interesting It has the smallest bore of the three and is subjectively the quietest to the ear...seems like blowback and sound often run in opposite directions. POI shift may be an anomaly. The suppressor contacts both the brake and collar leaving a lot of room for parts interface and harmonics...only have one douglas MK12 profile barrel to test. It is relatively consistent across POIs (no suppressor hot/cold, suppressor cold, suppressor hot) and seem to group tighter with than without. |
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