15 February 2012, 19:03
BoxheadHodgdon's Website has a bit of data. Here it is but a little easier to read over there. 

Cartridge:  338 Ruger Compact Magnum 
Load Type:  Rifle 
 -----------------------------------------------   
Bullet Weight (Gr.) Manufacturer Powder Bullet Diam. C.O.L. Grs. Vel. (ft/s) Pressure Grs. Vel. (ft/s) Pressure       
------------------------------------------------ 
160 GR. BAR TTSX  Hodgdon  Varget  .338"  2.830"  53.0  2771  46,800 PSI  59.5C  3067  62,200 PSI        
160 GR. BAR TTSX  IMR  IMR 4320  .338"  2.830"  53.0  2748  46,900 PSI  59.0C  3057  62,100 PSI        
160 GR. BAR TTSX  IMR  IMR 4064  .338"  2.830"  52.0  2755  45,800 PSI  58.0C  3074  61,300 PSI        
160 GR. BAR TTSX  Winchester  748  .338"  2.830"  57.0  2866  46,300 PSI  62.5  3113  58,400 PSI        
160 GR. BAR TTSX  Hodgdon  BL-C(2)  .338"  2.830"  57.0  2834  45,500 PSI  63.5  3121  59,600 PSI        
160 GR. BAR TTSX  IMR  IMR 4895  .338"  2.830"  53.0  2811  48,300 PSI  58.5C  3078  61,800 PSI        
160 GR. BAR TTSX  Hodgdon  H335  .338"  2.830"  52.0  2846  49,100 PSI  57.7  3102  61,500 PSI        
160 GR. BAR TTSX  Hodgdon  H4895  .338"  2.830"  52.0  2858  50,200 PSI  58.0C  3117  63,100 PSI        
160 GR. BAR TTSX  IMR  IMR 8208 XBR  .338"  2.830"  52.4  2848  45,800 PSI  57.0C  3101  62,900 PSI        
160 GR. BAR TTSX  IMR  IMR 3031  .338"  2.830"  49.0  2772  47,500 PSI  54.5C  3047  62,800 PSI        
180 GR. NOS AB  Hodgdon  Varget  .338"  2.830"  51.0  2682  50,000 PSI  56.7C  2909  62,200 PSI        
180 GR. NOS AB  IMR  IMR 4320  .338"  2.830"  51.0  2665  50,100 PSI  56.5C  2897  62,100 PSI        
180 GR. NOS AB  IMR  IMR 4064  .338"  2.830"  50.0  2631  46,300 PSI  55.2C  2902  61,800 PSI        
180 GR. NOS AB  Winchester  748  .338"  2.830"  54.0  2753  49,300 PSI  59.5  2984  62,900 PSI        
180 GR. NOS AB  Hodgdon  BL-C(2)  .338"  2.830"  56.0  2767  49,300 PSI  61.0  2991  62,400 PSI        
180 GR. NOS AB  IMR  IMR 4895  .338"  2.830"  50.0  2634  46,700 PSI  55.7C  2921  63,000 PSI        
180 GR. NOS AB  Hodgdon  H335  .338"  2.830"  49.0  2673  48,200 PSI  54.4  2918  62,300 PSI        
180 GR. NOS AB  Hodgdon  H4895  .338"  2.830"  50.0  2736  52,200 PSI  55.0C  2923  61,200 PSI        
180 GR. NOS AB  IMR  IMR 8208 XBR  .338"  2.830"  50.8  2769  52,600 PSI  54.6  2919  61,900 PSI        
180 GR. NOS AB  IMR  IMR 3031  .338"  2.830"  46.0  2585  45,800 PSI  51.6  2866  63,300 PSI        
185 GR. BAR TSX  Hodgdon  Varget  .338"  2.800"  51.0  2602  48,000 PSI  57.0C  2867  62,900 PSI        
185 GR. BAR TSX  IMR  IMR 4320  .338"  2.800"  50.0  2566  47,400 PSI  56.0C  2839  61,800 PSI        
185 GR. BAR TSX  IMR  IMR 4064  .338"  2.800"  50.0  2605  47,700 PSI  55.2C  2864  62,400 PSI        
185 GR. BAR TSX  Winchester  748  .338"  2.800"  54.0  2693  48,600 PSI  59.5  2937  62,300 PSI        
185 GR. BAR TSX  Hodgdon  BL-C(2)  .338"  2.800"  55.0  2703  48,900 PSI  61.0  2947  62,000 PSI        
185 GR. BAR TSX  IMR  IMR 4895  .338"  2.800"  49.0  2511  43,600 PSI  55.5  2863  63,100 PSI        
185 GR. BAR TSX  Hodgdon  H335  .338"  2.800"  49.0  2631  49,100 PSI  54.4  2874  62,700 PSI        
185 GR. BAR TSX  Hodgdon  H4895  .338"  2.800"  50.0  2649  49,400 PSI  54.8C  2852  60,600 PSI        
185 GR. BAR TSX  IMR  IMR 8208 XBR  .038"  2.800"  51.2  2732  53,400 PSI  54.5C  2868  62,700 PSI        
185 GR. BAR TSX  IMR  IMR 3031  .338"  2.800"  46.0  2543  46,100 PSI  51.5C  2816  63,000 PSI        
200 GR. HDY SP  Hodgdon  H414  .338"  2.830"  58.0  2615  47,800 PSI  63.0  2817  58,500 PSI        
200 GR. HDY SP  IMR  IMR 4007 SSC  .338"  2.830"  56.0  2525  46,600 PSI  62.0C  2809  62,300 PSI        
200 GR. HDY SP  Hodgdon  Varget  .338"  2.830"  51.0  2572  51,300 PSI  57.0C  2798  64,000 PSI        
200 GR. HDY SP  IMR  IMR 4320  .338"  2.830"  51.0  2568  51,700 PSI  56.5  2777  62,400 PSI        
200 GR. HDY SP  IMR  IMR 4064  .338"  2.830"  50.0  2525  46,900 PSI  55.0  2772  62,300 PSI        
200 GR. HDY SP  Winchester  748  .338"  2.830"  53.0  2564  45,700 PSI  59.4  2844  61,600 PSI        
200 GR. HDY SP  Hodgdon  BL-C(2)  .338"  2.830"  55.0  2631  48,400 PSI  61.0  2870  62,500 PSI        
200 GR. HDY SP  IMR  IMR 4895  .338"  2.830"  50.0  2505  45,800 PSI  56.0  2800  63,200 PSI        
200 GR. HDY SP  Hodgdon  H335  .338"  2.830"  49.0  2533  48,100 PSI  54.2  2775  62,200 PSI        
200 GR. HDY SP  Hodgdon  H4895  .338"  2.830"  50.0  2627  55,400 PSI  55.3  2803  63,600 PSI        
200 GR. HDY SP  IMR  IMR 8208 XBR  .338"  2.830"  50.8  2655  55,300 PSI  54.0  2759  60,900 PSI        
200 GR. HDY SP  IMR  IMR 3031  .338"  2.830"  47.0  2509  48,200 PSI  51.7  2735  63,000 PSI        
210 GR. SFT SCIR  Hodgdon  H414  .338"  2.830"  54.0  2480  46,400 PSI  60.5C  2740  61,200 PSI        
210 GR. SFT SCIR  IMR  IMR 4007 SSC  .338"  2.830"  53.0  2453  47,500 PSI  59.0C  2716  62,600 PSI        
210 GR. SFT SCIR  Hodgdon  Varget  .338"  2.830"  48.0  2457  49,800 PSI  53.0C  2662  62,300 PSI        
210 GR. SFT SCIR  IMR  IMR 4320  .338"  2.830"  48.0  2415  47,700 PSI  53.0C  2654  61,200 PSI        
210 GR. SFT SCIR  IMR  IMR 4064  .338"  2.830"  47.0  2393  44,300 PSI  52.2C  2667  61,500 PSI        
210 GR. SFT SCIR  Winchester  748  .338"  2.830"  50.0  2473  45,400 PSI  56.0  2736  61,400 PSI        
210 GR. SFT SCIR  Hodgdon  BL-C(2)  .338"  2.830"  51.0  2466  45,900 PSI  57.0  2739  63,300 PSI        
210 GR. SFT SCIR  IMR  IMR 4895  .338"  2.830"  47.0  2388  44,100 PSI  52.2C  2663  61,000 PSI        
210 GR. SFT SCIR  Hodgdon  H335  .338"  2.830"  45.0  2375  45,400 PSI  50.5  2647  62,600 PSI        
210 GR. SFT SCIR  Hodgdon  H4895  .338"  2.830"  47.0  2514  54,200 PSI  52.0C  2665  60,800 PSI        
210 GR. SFT SCIR  IMR  IMR 3031  .338"  2.830"  44.0  2382  45,700 PSI  48.6C  2617  62,000 PSI        
215 GR. SIE SPBT  Hodgdon  H414  .338"  2.830"  54.0  2450  46,300 PSI  60.5  2717  62,400 PSI        
215 GR. SIE SPBT  Winchester  760  .338"  2.830"  54.0  2450  46,300 PSI  60.5  2717  62,400 PSI        
215 GR. SIE SPBT  IMR  IMR 4007 SSC  .338"  2.830"  53.0  2430  46,700 PSI  59.0C  2702  62,400 PSI        
215 GR. SIE SPBT  Hodgdon  Varget  .338"  2.830"  48.0  2465  52,000 PSI  53.5C  2658  62,900 PSI        
215 GR. SIE SPBT  IMR  IMR 4320  .338"  2.830"  48.0  2465  52,400 PSI  53.5C  2644  60,800 PSI        
215 GR. SIE SPBT  IMR  IMR 4064  .338"  2.830"  47.0  2426  48,200 PSI  52.5C  2666  62,900 PSI        
215 GR. SIE SPBT  Winchester  748  .338"  2.830"  50.0  2461  47,400 PSI  56.0  2711  62,100 PSI        
215 GR. SIE SPBT  Hodgdon  BL-C(2)  .338"  2.830"  51.0  2465  46,700 PSI  57.0  2729  63,200 PSI        
215 GR. SIE SPBT  IMR  IMR 4895  .338"  2.830"  48.0  2460  49,900 PSI  53.0C  2675  63,200 PSI        
215 GR. SIE SPBT  Hodgdon  H335  .338"  2.830"  46.0  2417  47,900 PSI  51.5  2648  62,400 PSI        
215 GR. SIE SPBT  Hodgdon  H4895  .338"  2.830"  46.0  2460  51,600 PSI  51.0  2639  61,900 PSI        
215 GR. SIE SPBT  IMR  IMR 8208 XBR  .338"  2.830"  48.4  2540  57,600 PSI  51.0  2620  61.500 PSI        
215 GR. SIE SPBT  IMR  IMR 3031  .338"  2.830"  45.0  2441  51,700 PSI  49.3C  2607  61,900 PSI        
225 GR. HDY IB  Hodgdon  H414  .338"  2.830"  56.0  2491  49,700 PSI  60.0  2639  58,000 PSI        
225 GR. HDY IB  IMR  IMR 4007 SSC  .338"  2.830"  54.0  2406  46,800 PSI  59.0C  2619  58,700 PSI        
225 GR. HDY IB  Hodgdon  Varget  .338"  2.830"  48.0  2403  50,500 PSI  53.3  2601  62,200 PSI        
225 GR. HDY IB  IMR  IMR 4320  .338"  2.830"  48.0  2375  48,700 PSI  53.5  2607  62,800 PSI        
225 GR. HDY IB  IMR  IMR 4064  .338"  2.830"  48.0  2396  48,000 PSI  53.5  2630  62,300 PSI        
225 GR. HDY IB  Winchester  748  .338"  2.830"  51.0  2415  45,600 PSI  56.0  2654  61,200 PSI        
225 GR. HDY IB  Hodgdon  BL-C(2)  .338"  2.830"  52.0  2417  44,600 PSI  58.0  2689  61,500 PSI        
225 GR. HDY IB  IMR  IMR 4895  .338"  2.830"  48.0  2382  47,500 PSI  53.5C  2628  62,600 PSI        
225 GR. HDY IB  Hodgdon  H335  .338"  2.830"  47.0  2383  46,700 PSI  52.0  2620  62,900 PSI        
225 GR. HDY IB  Hodgdon  H4895  .338"  2.830"  47.0  2465  56,800 PSI  52.3  2619  63,300 PSI        
225 GR. HDY IB  IMR  IMR 8208 XBR  .338"  2.830"  48.2  2465  54,200 PSI  51.3  2587  62,600 PSI        
225 GR. HDY IB  IMR  IMR 3031  .338"  2.830"  45.0  2356  47,400 PSI  50.0  2584  63,800 PSI        
250 GR. SFT AF/SS  Hodgdon  H414  .338"  2.730"  51.0  2269  48,900 PSI  55.5  2453  61,000 PSI        
250 GR. SFT AF/SS  Winchester  760  .338"  2.730"  51.0  2269  48,900 PSI  55.5  2453  61,000 PSI        
250 GR. SFT AF/SS  IMR  IMR 4007 SSC  .338"  2.730"  49.0  2213  42,600 PSI  54.0C  2432  60,300 PSI        
250 GR. SFT AF/SS  Hodgdon  Varget  .338"  2.730"  44.0  2192  51,500 PSI  48.8C  2352  61,400 PSI        
250 GR. SFT AF/SS  IMR  IMR 4320  .338"  2.730"  45.0  2273  55,600 PSI  49.8C  2386  59,900 PSI        
250 GR. SFT AF/SS  IMR  IMR 4064  .338"  2.730"  44.0  2170  46,600 PSI  48.8C  2368  59,800 PSI        
250 GR. SFT AF/SS  Winchester  748  .338"  2.730"  46.0  2204  45,000 PSI  51.0  2406  59,100 PSI        
250 GR. SFT AF/SS  Hodgdon  BL-C(2)  .338"  2.730"  48.0  2247  47,500 PSI  52.0  2409  58,500 PSI        
250 GR. SFT AF/SS  IMR  IMR 4895  .338"  2.730"  41.0  2221  50,100 PSI  49.5C  2411  61,700 PSI        
250 GR. SFT AF/SS  Hodgdon  H335  .338"  2.730"  42.0  2135  49,400 PSI  46.5  2304  61,000 PSI        
250 GR. SFT AF/SS  Hodgdon  H4895  .338"  2.730"  41.0  2158  50,500 PSI  45.8C  2355  63,100 PSI        
250 GR. SFT AF/SS  IMR  IMR 8208 XBR  .338"  2.730"  44.9  2258  56,500 PSI  47.3  2321  59,400 PSI        
250 GR. SFT AF/SS  IMR  IMR 3031  .338"  2.730"  41.0  2168  50,000 PSI  46.0C  2345  62,700 PSI