MBR Sporting Hodgdon reloading data

Cartridge:	338 Lap Mag
Load Type:	Rifle

Starting Loads
Maximum Loads

Bullet Weight (Gr.) Powder Manufacturer Powder Bullet Diameter C.O.L. Grs. Vel. (ft/s) Pressure Grs. Vel. (ft/s) Pressure

160 GR. BAR TTSX IMR IMR 7828 .338" 3.565" 98.7 3330 54,000 PSI 105.0 3531 62,800 PSI

160 GR. BAR TTSX Hodgdon H4831 .338" 3.565" 98.5 3290 52,900 PSI 104.8C 3472 61,200 PSI

160 GR. BAR TTSX Hodgdon Hybrid 100V .338" 3.565" 90.0 3413 54,000 PSI 96.3C 3606 62,400 PSI

160 GR. BAR TTSX IMR IMR 4831 .338" 3.565" 93.0 3346 51,500 PSI 99.0 3589 62,500 PSI

160 GR. BAR TTSX Hodgdon H4350 .338" 3.565" 89.3 3348 54,100 PSI 95.0 3511 61,800 PSI

160 GR. BAR TTSX Hodgdon H414 .338" 3.565" 87.4 3341 54,700 PSI 93.0 3502 62,400 PSI

160 GR. BAR TTSX IMR IMR 4350 .338" 3.565" 90.2 3350 53,700 PSI 96.0 3525 61,200 PSI

160 GR. BAR TTSX Winchester 760 .338" 3.565" 87.4 3341 54,700 PSI 93.0 3502 62,400 PSI

185 GR. BAR TSX Hodgdon H1000 .338" 3.530" 100.0 3051 49,300 PSI 106.0C 3218 57,300 PSI

185 GR. BAR TSX IMR IMR 7828 .338" 3.530" 94.0 3133 54,200 PSI 100.0 3312 62,000 PSI

185 GR. BAR TSX Hodgdon H4831 .338" 3.530" 93.7 3085 52,500 PSI 100.0 3281 61,500 PSI

185 GR. BAR TSX Hodgdon Hybrid 100V .338" 3.560" 85.2 3198 54,600 PSI 90.6 3354 62,100 PSI

185 GR. BAR TSX IMR IMR 4831 .338" 3.530" 89.0 3176 53,000 PSI 94.6 3371 62,800 PSI

185 GR. BAR TSX Hodgdon H4350 .338" 3.530" 85.0 3120 53,200 PSI 90.4 3311 63,400 PSI

185 GR. BAR TSX Hodgdon H414 .338" 3.530" 81.8 3124 56,100 PSI 87.0 3247 62,400 PSI

185 GR. BAR TSX IMR IMR 4350 .338" 3.530" 85.4 3122 53,000 PSI 90.8 3307 61,800 PSI

185 GR. BAR TSX Winchester 760 .338" 3.530" 81.8 3124 56,100 PSI 87.0 3247 62,400 PSI

200 GR. SPR SP Hodgdon Retumbo .338" 3.525" 96.0 2928 43,700 CUP 104.0C 3189 52,600 CUP

200 GR. SPR SP Hodgdon H1000 .338" 3.525" 92.0 2854 42,300 CUP 102.0C 3116 52,500 CUP

200 GR. SPR SP IMR IMR 7828 .338" 3.525" 89.0 2965 44,300 CUP 95.0 3133 52,300 CUP

200 GR. SPR SP Hodgdon H4831 .338" 3.525" 83.0 2855 44,900 CUP 92.0 3086 53,200 CUP

200 GR. SPR SP Hodgdon Hybrid 100V .338" 3.525" 81.0 2975 47,100 CUP 88.0 3155 53,200 CUP

200 GR. SPR SP IMR IMR 4831 .338" 3.525" 85.5 2970 47,600 CUP 91.0 3162 53,100 CUP

200 GR. SPR SP Hodgdon H4350 .338" 3.525" 79.0 2925 45,900 CUP 85.5 3099 52,500 CUP

200 GR. SPR SP Hodgdon H414 .338" 3.525" 74.0 2840 45,000 CUP 81.0 3058 53,000 CUP

200 GR. SPR SP IMR IMR 4350 .338" 3.525" 83.0 3001 47,400 CUP 88.0 3161 52,700 CUP

210 GR. NOS PART Hodgdon Retumbo .338" 3.525" 92.0 2846 42,100 CUP 102.0C 3142 52,600 CUP

210 GR. NOS PART Hodgdon H1000 .338" 3.525" 90.0 2800 42,900 CUP 99.5 3052 52,500 CUP

210 GR. NOS PART IMR IMR 7828 .338" 3.525" 88.0 2920 47,300 CUP 93.4 3099 52,900 CUP

210 GR. NOS PART Hodgdon H4831 .338" 3.525" 80.0 2735 44,600 CUP 89.0 3006 53,000 CUP

210 GR. NOS PART Hodgdon Hybrid 100V .338" 3.525" 77.0 2760 45,200 CUP 84.0 2948 52,500 CUP

210 GR. NOS PART IMR IMR 4831 .338" 3.525" 83.0 2920 47,900 CUP 88.5 3076 53,500 CUP

210 GR. NOS PART Hodgdon H4350 .338" 3.525" 76.0 2834 47,000 CUP 82.0 3005 52,200 CUP

210 GR. NOS PART IMR IMR 4350 .338" 3.525" 80.0 2891 46,400 CUP 85.0 3034 51,900 CUP

215 GR. SIE SPBT Hodgdon Retumbo .338" 3.550" 94.0 2849 43,700 CUP 104.0C 3125 51,900 CUP

215 GR. SIE SPBT Hodgdon H1000 .338" 3.550" 92.0 2809 43,500 CUP 102.0C 3068 53,000 CUP

215 GR. SIE SPBT IMR IMR 7828 .338" 3.550" 87.7 2906 47,600 CUP 93.3 3076 51,900 CUP

215 GR. SIE SPBT Winchester Supreme 780 .338" 3.550" 88.4 2910 44,700 CUP 94.0 3067 50,500 CUP

215 GR. SIE SPBT Hodgdon H4831 .338" 3.550" 82.0 2763 44,500 CUP 91.0 2997 53,000 CUP

215 GR. SIE SPBT IMR IMR 4831 .338" 3.550" 83.0 2868 45,900 CUP 88.5 3033 52,600 CUP

215 GR. SIE SPBT Hodgdon H4350 .338" 3.550" 76.0 2791 45,000 CUP 84.0 3015 52,800 CUP

215 GR. SIE SPBT IMR IMR 4350 .338" 3.550" 80.0 2888 45,900 CUP 85.0 3042 52,200 CUP

225 GR. NOS PART Hodgdon Retumbo .338" 3.550" 92.0 2744 41,200 CUP 102.0C 3040 52,300 CUP

225 GR. NOS PART Hodgdon H1000 .338" 3.550" 91.0 2713 42,100 CUP 101.0C 2995 53,100 CUP

225 GR. NOS PART IMR IMR 7828 .338" 3.550" 85.0 2831 46,900 CUP 90.5 2966 52,100 CUP

225 GR. NOS PART Winchester Supreme 780 .338" 3.550" 86.5 2877 44,100 CUP 92.0 3007 50,600 CUP

225 GR. NOS PART Hodgdon H4831 .338" 3.550" 80.0 2699 44,000 CUP 89.6 2918 52,900 CUP

225 GR. NOS PART Hodgdon Hybrid 100V .338" 3.550" 76.0 2760 45,300 CUP 83.0 2942 52,700 CUP

225 GR. NOS PART IMR IMR 4831 .338" 3.550" 81.8 2794 47,300 CUP 87.0 2965 53,500 CUP

225 GR. NOS PART Hodgdon H4350 .338" 3.550" 74.0 2715 45,200 CUP 82.5 2936 52,800 CUP

225 GR. NOS PART IMR IMR 4350 .338" 3.550" 78.0 2821 45,200 CUP 83.3 2944 52,300 CUP

250 GR. HDY SP Hodgdon US 869 .338" 3.550" 101.5 2728 47,000 CUP 108.0 2879 51,100 CUP

250 GR. HDY SP Hodgdon Retumbo .338" 3.550" 90.0 2620 43,200 CUP 98.0C 2853 52,000 CUP

250 GR. HDY SP Hodgdon H1000 .338" 3.550" 88.0 2567 41,400 CUP 98.0C 2838 52,800 CUP

250 GR. HDY SP IMR IMR 7828 .338" 3.550" 83.0 2636 46,200 CUP 88.5 2802 52,100 CUP

250 GR. HDY SP Winchester Supreme 780 .338" 3.550" 84.6 2700 43,900 CUP 90.0 2841 50,600 CUP

250 GR. HDY SP Hodgdon H4831 .338" 3.550" 79.0 2600 46,100 CUP 85.0 2740 52,200 CUP

250 GR. HDY SP Hodgdon Hybrid 100V .338" 3.550" 75.0 2619 45,500 CUP 81.0 2765 52,200 CUP

250 GR. HDY SP IMR IMR 4831 .338" 3.550" 80.0 2657 47,700 CUP 85.0 2801 52,900 CUP

250 GR. HDY SP Hodgdon H4350 .338" 3.550" 74.0 2615 48,300 CUP 78.0 2742 52,300 CUP

265 GR. BAR TTSX BT Hodgdon US 869 .338" 3.685" 93.8 2518 48,400 PSI 100.0 2677 55,900 PSI

265 GR. BAR TTSX BT Hodgdon Retumbo .338" 3.685" 76.4 2483 50,400 PSI 83.0 2660 60,600 PSI

265 GR. BAR TTSX BT Hodgdon H1000 .338" 3.685" 77.7 2510 52,800 PSI 83.6 2656 61,100 PSI

265 GR. BAR TTSX BT IMR IMR 7828 .338" 3.685" 76.1 2533 54,000 PSI 81.0 2658 60,500 PSI

265 GR. BAR TTSX BT Winchester Supreme 780 .338" 3.685" 79.5 2627 57,000 PSI 83.3 2719 61,700 PSI

265 GR. BAR TTSX BT Hodgdon H4831 .338" 3.685" 74.6 2518 54,400 PSI 79.4 2642 61,600 PSI

265 GR. BAR TTSX BT IMR IMR 4831 .338" 3.685" 70.5 2503 53,800 PSI 75.0 2634 62,300 PSI

275 GR. SFT SP Hodgdon US 869 .338" 3.460" 99.0 2636 46,200 CUP 104.5 2761 52,200 CUP

275 GR. SFT SP Hodgdon Retumbo .338" 3.460" 80.0 2421 41,800 CUP 89.0 2671 52,700 CUP

275 GR. SFT SP Hodgdon H1000 .338" 3.460" 83.0 2444 43,500 CUP 91.5C 2648 52,600 CUP

275 GR. SFT SP IMR IMR 7828 .338" 3.460" 73.0 2429 44,500 CUP 81.0 2632 53,000 CUP

275 GR. SFT SP Winchester Supreme 780 .338" 3.460" 79.0 2562 45,800 CUP 84.0 2676 50,700 CUP

275 GR. SFT SP Hodgdon H4831 .338" 3.460" 71.0 2349 42,800 CUP 79.0 2572 52,800 CUP

275 GR. SFT SP IMR IMR 4831 .338" 3.460" 73.0 2450 46,000 CUP 77.3 2584 52,900 CUP

300 GR. SIE HPBT Hodgdon US 869 .338" 3.600" 98.5 2567 47,500 CUP 104.0 2677 51,500 CUP

300 GR. SIE HPBT Hodgdon Retumbo .338" 3.600" 85.0 2376 41,100 CUP 94.0C 2654 53,400 CUP

300 GR. SIE HPBT Hodgdon H1000 .338" 3.600" 83.0 2383 43,200 CUP 92.0C 2590 53,000 CUP

300 GR. SIE HPBT IMR IMR 7828 .338" 3.600" 73.0 2376 44,600 CUP 81.0 2566 53,000 CUP

300 GR. SIE HPBT Winchester Supreme 780 .338" 3.600" 79.0 2460 45,100 CUP 84.0 2593 50,600 CUP

300 GR. SIE HPBT Hodgdon H4831 .338" 3.600" 71.0 2307 44,400 CUP 79.0 2511 53,100 CUP

300 GR. SIE HPBT IMR IMR 4831 .338" 3.600" 68.0 2316 43,500 CUP 76.0 2541 53,300 CUP

Back to MBR Sporting Reloading Page

					Starting Loads			Maximum Loads
Bullet Weight (Gr.)	Powder Manufacturer	Powder	Bullet Diameter	C.O.L.	Grs.	Vel. (ft/s)	Pressure	Grs.	Vel. (ft/s)	Pressure
160 GR. BAR TTSX	IMR	IMR 7828	.338"	3.565"	98.7	3330	54,000 PSI	105.0	3531	62,800 PSI
160 GR. BAR TTSX	Hodgdon	H4831	.338"	3.565"	98.5	3290	52,900 PSI	104.8C	3472	61,200 PSI
160 GR. BAR TTSX	Hodgdon	Hybrid 100V	.338"	3.565"	90.0	3413	54,000 PSI	96.3C	3606	62,400 PSI
160 GR. BAR TTSX	IMR	IMR 4831	.338"	3.565"	93.0	3346	51,500 PSI	99.0	3589	62,500 PSI
160 GR. BAR TTSX	Hodgdon	H4350	.338"	3.565"	89.3	3348	54,100 PSI	95.0	3511	61,800 PSI
160 GR. BAR TTSX	Hodgdon	H414	.338"	3.565"	87.4	3341	54,700 PSI	93.0	3502	62,400 PSI
160 GR. BAR TTSX	IMR	IMR 4350	.338"	3.565"	90.2	3350	53,700 PSI	96.0	3525	61,200 PSI
160 GR. BAR TTSX	Winchester	760	.338"	3.565"	87.4	3341	54,700 PSI	93.0	3502	62,400 PSI
185 GR. BAR TSX	Hodgdon	H1000	.338"	3.530"	100.0	3051	49,300 PSI	106.0C	3218	57,300 PSI
185 GR. BAR TSX	IMR	IMR 7828	.338"	3.530"	94.0	3133	54,200 PSI	100.0	3312	62,000 PSI
185 GR. BAR TSX	Hodgdon	H4831	.338"	3.530"	93.7	3085	52,500 PSI	100.0	3281	61,500 PSI
185 GR. BAR TSX	Hodgdon	Hybrid 100V	.338"	3.560"	85.2	3198	54,600 PSI	90.6	3354	62,100 PSI
185 GR. BAR TSX	IMR	IMR 4831	.338"	3.530"	89.0	3176	53,000 PSI	94.6	3371	62,800 PSI
185 GR. BAR TSX	Hodgdon	H4350	.338"	3.530"	85.0	3120	53,200 PSI	90.4	3311	63,400 PSI
185 GR. BAR TSX	Hodgdon	H414	.338"	3.530"	81.8	3124	56,100 PSI	87.0	3247	62,400 PSI
185 GR. BAR TSX	IMR	IMR 4350	.338"	3.530"	85.4	3122	53,000 PSI	90.8	3307	61,800 PSI
185 GR. BAR TSX	Winchester	760	.338"	3.530"	81.8	3124	56,100 PSI	87.0	3247	62,400 PSI
200 GR. SPR SP	Hodgdon	Retumbo	.338"	3.525"	96.0	2928	43,700 CUP	104.0C	3189	52,600 CUP
200 GR. SPR SP	Hodgdon	H1000	.338"	3.525"	92.0	2854	42,300 CUP	102.0C	3116	52,500 CUP
200 GR. SPR SP	IMR	IMR 7828	.338"	3.525"	89.0	2965	44,300 CUP	95.0	3133	52,300 CUP
200 GR. SPR SP	Hodgdon	H4831	.338"	3.525"	83.0	2855	44,900 CUP	92.0	3086	53,200 CUP
200 GR. SPR SP	Hodgdon	Hybrid 100V	.338"	3.525"	81.0	2975	47,100 CUP	88.0	3155	53,200 CUP
200 GR. SPR SP	IMR	IMR 4831	.338"	3.525"	85.5	2970	47,600 CUP	91.0	3162	53,100 CUP
200 GR. SPR SP	Hodgdon	H4350	.338"	3.525"	79.0	2925	45,900 CUP	85.5	3099	52,500 CUP
200 GR. SPR SP	Hodgdon	H414	.338"	3.525"	74.0	2840	45,000 CUP	81.0	3058	53,000 CUP
200 GR. SPR SP	IMR	IMR 4350	.338"	3.525"	83.0	3001	47,400 CUP	88.0	3161	52,700 CUP
210 GR. NOS PART	Hodgdon	Retumbo	.338"	3.525"	92.0	2846	42,100 CUP	102.0C	3142	52,600 CUP
210 GR. NOS PART	Hodgdon	H1000	.338"	3.525"	90.0	2800	42,900 CUP	99.5	3052	52,500 CUP
210 GR. NOS PART	IMR	IMR 7828	.338"	3.525"	88.0	2920	47,300 CUP	93.4	3099	52,900 CUP
210 GR. NOS PART	Hodgdon	H4831	.338"	3.525"	80.0	2735	44,600 CUP	89.0	3006	53,000 CUP
210 GR. NOS PART	Hodgdon	Hybrid 100V	.338"	3.525"	77.0	2760	45,200 CUP	84.0	2948	52,500 CUP
210 GR. NOS PART	IMR	IMR 4831	.338"	3.525"	83.0	2920	47,900 CUP	88.5	3076	53,500 CUP
210 GR. NOS PART	Hodgdon	H4350	.338"	3.525"	76.0	2834	47,000 CUP	82.0	3005	52,200 CUP
210 GR. NOS PART	IMR	IMR 4350	.338"	3.525"	80.0	2891	46,400 CUP	85.0	3034	51,900 CUP
215 GR. SIE SPBT	Hodgdon	Retumbo	.338"	3.550"	94.0	2849	43,700 CUP	104.0C	3125	51,900 CUP
215 GR. SIE SPBT	Hodgdon	H1000	.338"	3.550"	92.0	2809	43,500 CUP	102.0C	3068	53,000 CUP
215 GR. SIE SPBT	IMR	IMR 7828	.338"	3.550"	87.7	2906	47,600 CUP	93.3	3076	51,900 CUP
215 GR. SIE SPBT	Winchester	Supreme 780	.338"	3.550"	88.4	2910	44,700 CUP	94.0	3067	50,500 CUP
215 GR. SIE SPBT	Hodgdon	H4831	.338"	3.550"	82.0	2763	44,500 CUP	91.0	2997	53,000 CUP
215 GR. SIE SPBT	IMR	IMR 4831	.338"	3.550"	83.0	2868	45,900 CUP	88.5	3033	52,600 CUP
215 GR. SIE SPBT	Hodgdon	H4350	.338"	3.550"	76.0	2791	45,000 CUP	84.0	3015	52,800 CUP
215 GR. SIE SPBT	IMR	IMR 4350	.338"	3.550"	80.0	2888	45,900 CUP	85.0	3042	52,200 CUP
225 GR. NOS PART	Hodgdon	Retumbo	.338"	3.550"	92.0	2744	41,200 CUP	102.0C	3040	52,300 CUP
225 GR. NOS PART	Hodgdon	H1000	.338"	3.550"	91.0	2713	42,100 CUP	101.0C	2995	53,100 CUP
225 GR. NOS PART	IMR	IMR 7828	.338"	3.550"	85.0	2831	46,900 CUP	90.5	2966	52,100 CUP
225 GR. NOS PART	Winchester	Supreme 780	.338"	3.550"	86.5	2877	44,100 CUP	92.0	3007	50,600 CUP
225 GR. NOS PART	Hodgdon	H4831	.338"	3.550"	80.0	2699	44,000 CUP	89.6	2918	52,900 CUP
225 GR. NOS PART	Hodgdon	Hybrid 100V	.338"	3.550"	76.0	2760	45,300 CUP	83.0	2942	52,700 CUP
225 GR. NOS PART	IMR	IMR 4831	.338"	3.550"	81.8	2794	47,300 CUP	87.0	2965	53,500 CUP
225 GR. NOS PART	Hodgdon	H4350	.338"	3.550"	74.0	2715	45,200 CUP	82.5	2936	52,800 CUP
225 GR. NOS PART	IMR	IMR 4350	.338"	3.550"	78.0	2821	45,200 CUP	83.3	2944	52,300 CUP
250 GR. HDY SP	Hodgdon	US 869	.338"	3.550"	101.5	2728	47,000 CUP	108.0	2879	51,100 CUP
250 GR. HDY SP	Hodgdon	Retumbo	.338"	3.550"	90.0	2620	43,200 CUP	98.0C	2853	52,000 CUP
250 GR. HDY SP	Hodgdon	H1000	.338"	3.550"	88.0	2567	41,400 CUP	98.0C	2838	52,800 CUP
250 GR. HDY SP	IMR	IMR 7828	.338"	3.550"	83.0	2636	46,200 CUP	88.5	2802	52,100 CUP
250 GR. HDY SP	Winchester	Supreme 780	.338"	3.550"	84.6	2700	43,900 CUP	90.0	2841	50,600 CUP
250 GR. HDY SP	Hodgdon	H4831	.338"	3.550"	79.0	2600	46,100 CUP	85.0	2740	52,200 CUP
250 GR. HDY SP	Hodgdon	Hybrid 100V	.338"	3.550"	75.0	2619	45,500 CUP	81.0	2765	52,200 CUP
250 GR. HDY SP	IMR	IMR 4831	.338"	3.550"	80.0	2657	47,700 CUP	85.0	2801	52,900 CUP
250 GR. HDY SP	Hodgdon	H4350	.338"	3.550"	74.0	2615	48,300 CUP	78.0	2742	52,300 CUP
265 GR. BAR TTSX BT	Hodgdon	US 869	.338"	3.685"	93.8	2518	48,400 PSI	100.0	2677	55,900 PSI
265 GR. BAR TTSX BT	Hodgdon	Retumbo	.338"	3.685"	76.4	2483	50,400 PSI	83.0	2660	60,600 PSI
265 GR. BAR TTSX BT	Hodgdon	H1000	.338"	3.685"	77.7	2510	52,800 PSI	83.6	2656	61,100 PSI
265 GR. BAR TTSX BT	IMR	IMR 7828	.338"	3.685"	76.1	2533	54,000 PSI	81.0	2658	60,500 PSI
265 GR. BAR TTSX BT	Winchester	Supreme 780	.338"	3.685"	79.5	2627	57,000 PSI	83.3	2719	61,700 PSI
265 GR. BAR TTSX BT	Hodgdon	H4831	.338"	3.685"	74.6	2518	54,400 PSI	79.4	2642	61,600 PSI
265 GR. BAR TTSX BT	IMR	IMR 4831	.338"	3.685"	70.5	2503	53,800 PSI	75.0	2634	62,300 PSI
275 GR. SFT SP	Hodgdon	US 869	.338"	3.460"	99.0	2636	46,200 CUP	104.5	2761	52,200 CUP
275 GR. SFT SP	Hodgdon	Retumbo	.338"	3.460"	80.0	2421	41,800 CUP	89.0	2671	52,700 CUP
275 GR. SFT SP	Hodgdon	H1000	.338"	3.460"	83.0	2444	43,500 CUP	91.5C	2648	52,600 CUP
275 GR. SFT SP	IMR	IMR 7828	.338"	3.460"	73.0	2429	44,500 CUP	81.0	2632	53,000 CUP
275 GR. SFT SP	Winchester	Supreme 780	.338"	3.460"	79.0	2562	45,800 CUP	84.0	2676	50,700 CUP
275 GR. SFT SP	Hodgdon	H4831	.338"	3.460"	71.0	2349	42,800 CUP	79.0	2572	52,800 CUP
275 GR. SFT SP	IMR	IMR 4831	.338"	3.460"	73.0	2450	46,000 CUP	77.3	2584	52,900 CUP
300 GR. SIE HPBT	Hodgdon	US 869	.338"	3.600"	98.5	2567	47,500 CUP	104.0	2677	51,500 CUP
300 GR. SIE HPBT	Hodgdon	Retumbo	.338"	3.600"	85.0	2376	41,100 CUP	94.0C	2654	53,400 CUP
300 GR. SIE HPBT	Hodgdon	H1000	.338"	3.600"	83.0	2383	43,200 CUP	92.0C	2590	53,000 CUP
300 GR. SIE HPBT	IMR	IMR 7828	.338"	3.600"	73.0	2376	44,600 CUP	81.0	2566	53,000 CUP
300 GR. SIE HPBT	Winchester	Supreme 780	.338"	3.600"	79.0	2460	45,100 CUP	84.0	2593	50,600 CUP
300 GR. SIE HPBT	Hodgdon	H4831	.338"	3.600"	71.0	2307	44,400 CUP	79.0	2511	53,100 CUP
300 GR. SIE HPBT	IMR	IMR 4831	.338"	3.600"	68.0	2316	43,500 CUP	76.0	2541	53,300 CUP