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What velocity are you getting from 17HMR? #13668712 03/18/19
Joined: Aug 2005 Posts: 10,724 Southern Idaho centershot OP Campfire Outfitter
OP centershot Campfire Outfitter Joined: Aug 2005 Posts: 10,724 Southern Idaho	Was a little surprised to see the Chrony reading 2750-2775 fps while shooting my CZ 457 17HMR over the weekend. Was shooting Hornady V-Max 17gr ammo. Also shot my centerfire rifle and speeds were as expected so I don't think it was chronograph error. Curious if it's a hot lot of ammo, the 24" barrel on this rifle or if 200+ fps over the label on the box is common? A true sportsman counts his achievements in proportion to the effort involved and fairness of the sport. - S. Pope

GB1

Re: What velocity are you getting from 17HMR? centershot #13674196 03/20/19
Joined: Aug 2005 Posts: 10,724 Southern Idaho centershot OP Campfire Outfitter
OP centershot Campfire Outfitter Joined: Aug 2005 Posts: 10,724 Southern Idaho	Nobody? A true sportsman counts his achievements in proportion to the effort involved and fairness of the sport. - S. Pope

Re: What velocity are you getting from 17HMR? centershot #13674600 03/20/19
Joined: Oct 2009 Posts: 2,934 MONTANA FAIR_CHASE Campfire Regular
FAIR_CHASE Campfire Regular Joined: Oct 2009 Posts: 2,934 MONTANA	It's not uncommon for 17HMR to post higher velocity than stated on the box. Unfortunately it's also not uncommon to see high S.D. (as well as extreme spread) with 17HMR ammo.

Re: What velocity are you getting from 17HMR? centershot #13675265 03/20/19
Joined: Jan 2010 Posts: 13,136 Willamette Valley, Oregon P Pharmseller Campfire Outfitter
Pharmseller Campfire Outfitter P Joined: Jan 2010 Posts: 13,136 Willamette Valley, Oregon	2641 fps in my T1x with 17 grain Hornady. P Obey lawful commands. Video interactions. Hold bad cops accountable. Problem solved. ~Molɔ̀ːn Labé Skýla~ Member #547 Join date 3/09/2001

Re: What velocity are you getting from 17HMR? FAIR_CHASE #13675775 03/21/19
Joined: Aug 2005 Posts: 10,724 Southern Idaho centershot OP Campfire Outfitter
OP centershot Campfire Outfitter Joined: Aug 2005 Posts: 10,724 Southern Idaho	Originally Posted by FAIR_CHASE It's not uncommon for 17HMR to post higher velocity than stated on the box. Unfortunately it's also not uncommon to see high S.D. (as well as extreme spread) with 17HMR ammo. I did notice a fair amount of velocity variation - High just over 2800 low 2740, but the majority were inside the 2750-2775 range. I can imagine with that little case a tiny variation in powder volume would make a difference. A true sportsman counts his achievements in proportion to the effort involved and fairness of the sport. - S. Pope

IC B2

Re: What velocity are you getting from 17HMR? centershot #13683977 03/24/19
Joined: Jan 2001 Posts: 58,372 Paradise,Alaska Big Stick Campfire Kahuna
Big Stick Campfire Kahuna Joined: Jan 2001 Posts: 58,372 Paradise,Alaska	Originally Posted by centershot Was a little surprised to see the Chrony reading 2750-2775 fps while shooting my CZ 457 17HMR over the weekend. Was shooting Hornady V-Max 17gr ammo. Also shot my centerfire rifle and speeds were as expected so I don't think it was chronograph error. Curious if it's a hot lot of ammo, the 24" barrel on this rifle or if 200+ fps over the label on the box is common? Often in Hummer...chopping from 24" to 20",actually speeds 'em up. Standards Fare in this AO,to do just that. Hint. 18" LW spout on a Custom 77/22 Hummer here. Hint. 'Nother 18" LW on a Custom 77/22 Hummer here. SAME ammo,outta SAME box. Hint. Just saying. Hint................. Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."

Re: What velocity are you getting from 17HMR? centershot #13687784 03/25/19
Joined: Aug 2005 Posts: 10,724 Southern Idaho centershot OP Campfire Outfitter
OP centershot Campfire Outfitter Joined: Aug 2005 Posts: 10,724 Southern Idaho	Guessing those sculls and crossbones probably added at least 100fps. A true sportsman counts his achievements in proportion to the effort involved and fairness of the sport. - S. Pope

Re: What velocity are you getting from 17HMR? centershot #13688719 03/25/19
Joined: Jan 2001 Posts: 58,372 Paradise,Alaska Big Stick Campfire Kahuna
Big Stick Campfire Kahuna Joined: Jan 2001 Posts: 58,372 Paradise,Alaska	I've yet to see a McMillan slow a rifle down. Hint.................(grin) Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."

Re: What velocity are you getting from 17HMR? centershot #13689948 03/26/19
Joined: Dec 2012 Posts: 1,066 Mississippi W whitearrow Campfire Regular
whitearrow Campfire Regular W Joined: Dec 2012 Posts: 1,066 Mississippi	stick have ya ever cut a hummer tube to 16.5"? how does the velo compare to your 18"ers?? i figured cutting my cz hummer barrel to 16.5" would get me a 17mach2 with more avaliable ammo... thanks, Big Ed "Only accurate rifles are interesting" Col. Townsend Whelen

Re: What velocity are you getting from 17HMR? centershot #13689957 03/26/19
Joined: Jan 2001 Posts: 58,372 Paradise,Alaska Big Stick Campfire Kahuna
Big Stick Campfire Kahuna Joined: Jan 2001 Posts: 58,372 Paradise,Alaska	18" is as short as I've rolled...but chopping spouts don't aspook me. It'll crush a Mach2 yet................... Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."

IC B3

Re: What velocity are you getting from 17HMR? centershot #13691578 03/27/19
Joined: Jun 2001 Posts: 741 WI BMR Campfire Regular
BMR Campfire Regular Joined: Jun 2001 Posts: 741 WI	I got 2577 fps with Hornady 17 gr., 2666 with CCI A17, and 2450 with CCI 20 gr FMJ., all out of a Ruger American Rimfire.

Re: What velocity are you getting from 17HMR? Big Stick #13691920 03/27/19
Joined: Aug 2005 Posts: 10,724 Southern Idaho centershot OP Campfire Outfitter
OP centershot Campfire Outfitter Joined: Aug 2005 Posts: 10,724 Southern Idaho	Originally Posted by Big Stick I've yet to see a McMillan slow a rifle down. Hint.................(grin) Quite possibly the ugliest bunch of rifles I have ever seen. Hint. A true sportsman counts his achievements in proportion to the effort involved and fairness of the sport. - S. Pope

Re: What velocity are you getting from 17HMR? Big Stick #13691929 03/27/19
Joined: Jun 2007 Posts: 24,520 Bozeman, MT shrapnel Campfire Ranger
shrapnel Campfire Ranger Joined: Jun 2007 Posts: 24,520 Bozeman, MT	Originally Posted by Big Stick Often in Hummer...chopping from 24" to 20",actually speeds 'em up. Standards Fare in this AO,to do just that. Hint. 18" LW spout on a Custom 77/22 Hummer here. Hint. 'Nother 18" LW on a Custom 77/22 Hummer here. SAME ammo,outta SAME box. Hint. Just saying. Hint................. You may want to put that chronograph within 100 yards of the muzzle when you measure the speed of those longer barrels...HINT

Re: What velocity are you getting from 17HMR? centershot #13694377 03/28/19
Joined: Jan 2014 Posts: 1,339 P Papag Campfire Regular
Papag Campfire Regular P Joined: Jan 2014 Posts: 1,339	Savage 93, 2500, 6 1/2" Tracker, 1950.

Re: What velocity are you getting from 17HMR? centershot #13696104 03/28/19
Joined: Nov 2004 Posts: 5,499 Sierra Vista, AZ Hawk_Driver Campfire Tracker
Hawk_Driver Campfire Tracker Joined: Nov 2004 Posts: 5,499 Sierra Vista, AZ	I averaged 2777 for 3 rounds, Marlin 917V. That was at 4600' and about 95 degrees. There is no way to coexist no matter how many bumper stickers there are on Subaru bumpers!

Re: What velocity are you getting from 17HMR? centershot #13697351 03/29/19
Joined: Aug 2005 Posts: 10,724 Southern Idaho centershot OP Campfire Outfitter
OP centershot Campfire Outfitter Joined: Aug 2005 Posts: 10,724 Southern Idaho	2775 seems to be about average for me also. 4000' and 40-50 degrees. Need to check it on a hot day. A true sportsman counts his achievements in proportion to the effort involved and fairness of the sport. - S. Pope

Re: What velocity are you getting from 17HMR? centershot #13698318 03/29/19
Joined: Feb 2001 Posts: 4,771 PA dubePA Campfire Tracker
dubePA Campfire Tracker Joined: Feb 2001 Posts: 4,771 PA	When all the fuss started about the 17 HMR, picked up a pencil barreled Savage 93 to see what was up. First impression, was that it was more accurate at 100 yards than I expected it to be, as putting five shots inside an inch wasn't much of a challenge, using a Harris and a rear bag from the bench. Then one day an old buddy was at the range with his chronograph set up, so we sent five through the screens. He was busy looking thru his spotting scope and noting that they were well within 3/4's of an inch. Then we got to looking at the readouts. Forget now what it said on the Hornady box, but they were all 25 to 50 FPS faster than the advertised velocity. He asked when was the last time I'd seen a new round that exceeded its advertised performance. Said probably never? Wasn't much of a woodchuck round in my opinion, so I sold it to someone that wanted it for his son, along with the leftover Hornady ammo. Have part of a box of Remington Vmax ammo, but it doesn't list the speed on the label, like the Hornady stuff did. If three or more people think you're a dimwit, chances are at least one of them is right.

Re: What velocity are you getting from 17HMR? Big Stick #13706934 04/01/19
Joined: Oct 2006 Posts: 21,959 Idaho 340boy Campfire Ranger
340boy Campfire Ranger Joined: Oct 2006 Posts: 21,959 Idaho	Originally Posted by Big Stick Originally Posted by centershot Was a little surprised to see the Chrony reading 2750-2775 fps while shooting my CZ 457 17HMR over the weekend. Was shooting Hornady V-Max 17gr ammo. Also shot my centerfire rifle and speeds were as expected so I don't think it was chronograph error. Curious if it's a hot lot of ammo, the 24" barrel on this rifle or if 200+ fps over the label on the box is common? Often in Hummer...chopping from 24" to 20",actually speeds 'em up. Standards Fare in this AO,to do just that. Hint. 18" LW spout on a Custom 77/22 Hummer here. Hint. 'Nother 18" LW on a Custom 77/22 Hummer here. SAME ammo,outta SAME box. Hint. Just saying. Hint................. Interesting to see a velocity loss with a longer barrel. I mean, I've always heard that that often occurs with rimfires, but never seen an actual example of same. Thanks, Stick! "For joy of knowing what may not be known we take the golden road to Samarkand." James Elroy Flecker

Re: What velocity are you getting from 17HMR? centershot #13730545 04/10/19
Joined: Jan 2001 Posts: 58,372 Paradise,Alaska Big Stick Campfire Kahuna
Big Stick Campfire Kahuna Joined: Jan 2001 Posts: 58,372 Paradise,Alaska	Pardon my not guessing. Hint...……………….. Brad says: "Can't fault Rick for his pity letting you back on the fire... but pity it was and remains. Nothing more, nothing less. A sad little man in a sad little dream."

Re: What velocity are you getting from 17HMR? centershot #13744505 04/15/19
Joined: Aug 2011 Posts: 182 Hunt Co Texas H hunt_4646 Campfire Member
hunt_4646 Campfire Member H Joined: Aug 2011 Posts: 182 Hunt Co Texas	2560 from A17 shooting CCI green 16grain. 2590 with Hornady 17 Vmax. Savage 93 yielded 2525 with CCI GREEN 16gr. 2575 from model 93 with Hornady 17Vmax

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