Todays conditions:
48°F, 50% humidity, 5-10mph headwind, partly sunny
Alpha Chrony set at 15ft from muzzle
First up are groups my brother fired from his Marlin X7VH, 26" barrel, 1:12 twist. All cases Remington once fired, trimmed, neck sized and OAL of 2.80" using WLR primers.
X7VH target
Varget
41gr 2437 2419 2403 2462 2461 =2436.4avg(1.144")59fps spread
41.5gr 2444 2499 2452 2468 2479 =2468.4avg(1.564")35fps spread
42gr 2545 2514 2493 2517 2532 =2520.2avg(1.880")52fps spread
42.5gr 2520 2499 2543 2502 2525 =2517.8avg(1.226")44fps spread
43gr 2572 2540 2566 2582 2577 =2567.4avg(.850") 42fps spread
43.5gr 2594 2590 2594 2614 2611 =2600.6avg(1.519")24fps spread
Added 2/10/13
44gr 2606 2630 2581 2628 2593 =2607.6avg(.767") 49fps spread
44.5gr 2625 2565 2589 ---- 2599 =2594.5avg(1.019")60fps spread
45gr 2684 2596 2645 2624 2639 =2637.6avg(1.313")88fps spread
Second target is mine fired from my AAC-SD 20" barrel 1:10 twist. All cases Winchester once fired, trimmed, neck sized, OAL of 2.80", WLR primers.
AAC-SD target
Varget
41gr 2236 2286 2274 2280 ---- =2269avg(1.136") 50fps spread
41.5gr 2343 2340 2379 2308 2364 =2346.8avg(.533")71fps spread
42gr 2393 2399 2409 2411 2369 =2396.2avg(1.56")42fps spread
42.5gr 2385 2335 2318 2358 2399 =2359avg(.738") 81fps spread
43gr 2423 2420 2409 2435 2431 =2423.6avg(.414")26fps spread
43.5gr 2490 2469 2469 2476 2464 =2473.6avg(.755")26fps spread
Added 2/10/13
44gr 2507 2480 2432 2457 2486 =2472.4avg(1.626")75fps spread
44.5gr 2524 2512 2552 2510 2507 =2521avg(2.109") 45fps spread
45gr 2511 2525 2542 2533 2537 =2529.6avg(1.679")31fps spread
It was interesting to me that my gun loved a couple of these loads but my brothers didn't seem to like any of it. But, when we each shot a 3 shot group of Hornady 178gr HPBT Match he shot .610"/2708fps and I shot 1.153"/2599fps. Here's that target.
HORNADY 178gr HPBT MATCH target
I saw no signs of pressure issues with either rifles. I am thinking of loading some 44gr just to see for each. I really think I am happy with mine and just want to try some just above and below 43gr. I would like to get my brother to at least .750" or below. His rifle really liked the Match ammo at 2708fps so I am thinking I might need to go faster with his. Mine didn't like that same ammo at 2599fps so I might be better staying around 2423fps which was my average for my best group.
Anything you guys see I am missing or something I should try or even something I am doing wrong. Yes, I did have 2 that I pulled and my brother had one he pulled. His wasn't so bad but when I pull one I really pull one.
48°F, 50% humidity, 5-10mph headwind, partly sunny
Alpha Chrony set at 15ft from muzzle
First up are groups my brother fired from his Marlin X7VH, 26" barrel, 1:12 twist. All cases Remington once fired, trimmed, neck sized and OAL of 2.80" using WLR primers.
X7VH target
Varget
41gr 2437 2419 2403 2462 2461 =2436.4avg(1.144")59fps spread
41.5gr 2444 2499 2452 2468 2479 =2468.4avg(1.564")35fps spread
42gr 2545 2514 2493 2517 2532 =2520.2avg(1.880")52fps spread
42.5gr 2520 2499 2543 2502 2525 =2517.8avg(1.226")44fps spread
43gr 2572 2540 2566 2582 2577 =2567.4avg(.850") 42fps spread
43.5gr 2594 2590 2594 2614 2611 =2600.6avg(1.519")24fps spread
Added 2/10/13
44gr 2606 2630 2581 2628 2593 =2607.6avg(.767") 49fps spread
44.5gr 2625 2565 2589 ---- 2599 =2594.5avg(1.019")60fps spread
45gr 2684 2596 2645 2624 2639 =2637.6avg(1.313")88fps spread
Second target is mine fired from my AAC-SD 20" barrel 1:10 twist. All cases Winchester once fired, trimmed, neck sized, OAL of 2.80", WLR primers.
AAC-SD target
Varget
41gr 2236 2286 2274 2280 ---- =2269avg(1.136") 50fps spread
41.5gr 2343 2340 2379 2308 2364 =2346.8avg(.533")71fps spread
42gr 2393 2399 2409 2411 2369 =2396.2avg(1.56")42fps spread
42.5gr 2385 2335 2318 2358 2399 =2359avg(.738") 81fps spread
43gr 2423 2420 2409 2435 2431 =2423.6avg(.414")26fps spread
43.5gr 2490 2469 2469 2476 2464 =2473.6avg(.755")26fps spread
Added 2/10/13
44gr 2507 2480 2432 2457 2486 =2472.4avg(1.626")75fps spread
44.5gr 2524 2512 2552 2510 2507 =2521avg(2.109") 45fps spread
45gr 2511 2525 2542 2533 2537 =2529.6avg(1.679")31fps spread
It was interesting to me that my gun loved a couple of these loads but my brothers didn't seem to like any of it. But, when we each shot a 3 shot group of Hornady 178gr HPBT Match he shot .610"/2708fps and I shot 1.153"/2599fps. Here's that target.
HORNADY 178gr HPBT MATCH target
I saw no signs of pressure issues with either rifles. I am thinking of loading some 44gr just to see for each. I really think I am happy with mine and just want to try some just above and below 43gr. I would like to get my brother to at least .750" or below. His rifle really liked the Match ammo at 2708fps so I am thinking I might need to go faster with his. Mine didn't like that same ammo at 2599fps so I might be better staying around 2423fps which was my average for my best group.
Anything you guys see I am missing or something I should try or even something I am doing wrong. Yes, I did have 2 that I pulled and my brother had one he pulled. His wasn't so bad but when I pull one I really pull one.