.257 Weath. Mag. || .257 | 122gr | Remington SP Extended-Range

Load data for 41 loads in caliber .257 Weath. Mag. with .257 | 122gr | Remington SP Extended-Range bullet including underlying parameters such as bullet length, cartridge length and case capacity.

Product number: LID_B5145_C247

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Reloading data for caliber .257 Weath. Mag. with .257 | 122gr | Remington SP Extended-Range bullet.

Reloading data for caliber .257 Weath. Mag. with .257 | 122gr | Remington SP Extended-Range bullet.
Powder	Charge		Max. Pressure		Barrel 23.6''Barrel 60cm		Barrel 18.9''Barrel 48cm
Powder	Weight	FR	psibar	% *	V(0) fpsV(0) m/s	z	V(0) fpsV(0) m/s	z
Accurate 3100	Min:*.	Min:58.5gr58.5gr \| 3.79g	81.0%	43946	3030	69%	2959	902	99%	2769	844	97%
Accurate 3100	Max:*.	Max:65.3gr65.3gr \| 4.23g	90.3%	57203	3944	90%	3278	999	100%	3077	938	99%
Accurate MAGPRO	Min:*.	Min:62.8gr62.8gr \| 4.07g	82.0%	42786	2950	67%	3048	929	92%	2825	861	88%
Accurate MAGPRO	Max:*.	Max:70.5gr70.5gr \| 4.57g	91.8%	57333	3953	90%	3428	1045	96%	3205	977	93%
ADI AR 2209	Min:*.	Min:58.2gr58.2gr \| 3.77g	81.0%	46586	3212	73%	3087	941	97%	2877	877	94%
ADI AR 2209	Max:*.	Max:63.4gr63.4gr \| 4.11g	88.2%	57333	3953	90%	3346	1020	99%	3146	959	97%
ADI AR 2213	Min:*.	Min:59.3gr59.3gr \| 3.84g	81.0%	42322	2918	66%	3005	916	94%	2805	855	91%
ADI AR 2213	Max:*.	Max:67.0gr67.0gr \| 4.34g	91.7%	57333	3953	90%	3396	1035	98%	3182	970	95%
ADI AR 2217	Min:*.	Min:62.2gr62.2gr \| 4.03g	87.0%	38566	2659	60%	2913	888	93%	2710	826	89%
ADI AR 2217	Max:*.	Max:69.9gr69.9gr \| 4.53g	97.8%	52083	3591	82%	3294	1004	97%	3087	941	94%
ADI AR 2225	Min:*.	Min:65.6gr65.6gr \| 4.25g	90.0%	38711	2669	61%	2999	914	96%	2769	844	93%
ADI AR 2225	Max:*.	Max:71.1gr71.1gr \| 4.61g	97.9%	47471	3273	74%	3271	997	99%	3035	925	96%
Alliant Reloder-16	Min:*.	Min:57.1gr57.1gr \| 3.70g	81.0%	53316	3676	84%	3238	987	100%	3041	927	100%
Alliant Reloder-16	Max:*.	Max:59.0gr59.0gr \| 3.82g	83.7%	57391	3957	90%	3323	1013	100%	3140	957	100%
Alliant Reloder-19	Min:*.	Min:58.5gr58.5gr \| 3.79g	81.0%	46630	3215	73%	3071	936	97%	2877	877	95%
Alliant Reloder-19	Max:*.	Max:63.7gr63.7gr \| 4.13g	88.2%	57000	3930	89%	3337	1017	99%	3120	951	97%
Alliant Reloder-22	Min:*.	Min:59.3gr59.3gr \| 3.84g	81.0%	43105	2972	68%	3031	924	96%	2815	858	93%
Alliant Reloder-22	Max:*.	Max:66.7gr66.7gr \| 4.32g	91.2%	57348	3954	90%	3389	1033	99%	3176	968	97%
Alliant Reloder-23	Min:*.	Min:57.3gr57.3gr \| 3.71g	81.0%	42046	2899	66%	2979	908	100%	2779	847	99%
Alliant Reloder-23	Max:*.	Max:65.0gr65.0gr \| 4.21g	91.9%	56782	3915	89%	3320	1012	100%	3130	954	100%
Alliant Reloder-25	Min:*.	Min:59.4gr59.4gr \| 3.85g	83.0%	38450	2651	60%	2946	898	98%	2736	834	96%
Alliant Reloder-25	Max:*.	Max:69.6gr69.6gr \| 4.51g	96.8%	56782	3915	89%	3432	1046	100%	3215	980	99%
Alliant Reloder-26	Min:*.	Min:63.0gr63.0gr \| 4.08g	81.0%	45890	3164	72%	3169	966	100%	2966	904	98%
Alliant Reloder-26	Max:*.	Max:68.5gr68.5gr \| 4.44g	88.2%	57145	3940	90%	3451	1052	100%	3238	987	100%
Hodgdon H1000	Min:*.	Min:62.2gr62.2gr \| 4.03g	87.0%	38566	2659	60%	2913	888	93%	2710	826	89%
Hodgdon H1000	Max:*.	Max:69.9gr69.9gr \| 4.53g	97.8%	52083	3591	82%	3294	1004	97%	3087	941	94%
Hodgdon H4350	Min:*.	Min:57.3gr57.3gr \| 3.71g	81.0%	50082	3453	78%	3094	943	99%	2897	883	97%
Hodgdon H4350	Max:*.	Max:60.6gr60.6gr \| 3.93g	85.8%	56971	3928	89%	3245	989	99%	3061	933	98%
Hodgdon H4831	Min:*.	Min:56.9gr56.9gr \| 3.69g	81.0%	40320	2780	63%	2887	880	93%	2697	822	90%
Hodgdon H4831	Max:*.	Max:65.9gr65.9gr \| 4.27g	93.8%	57246	3947	90%	3320	1012	97%	3120	951	95%
Hodgdon H4831 SC	Min:*.	Min:59.3gr59.3gr \| 3.84g	81.0%	44178	3046	69%	3002	915	94%	2802	854	91%
Hodgdon H4831 SC	Max:*.	Max:65.7gr65.7gr \| 4.26g	90.0%	56898	3923	89%	3317	1011	97%	3120	951	95%
Hodgdon Hybrid 100V	Min:*.	Min:56.6gr56.6gr \| 3.67g	81.0%	50763	3500	80%	3094	943	100%	2920	890	100%
Hodgdon Hybrid 100V	Max:*.	Max:59.7gr59.7gr \| 3.87g	85.4%	57391	3957	90%	3232	985	100%	3048	929	100%
Hodgdon Retumbo	Min:*.	Min:65.6gr65.6gr \| 4.25g	90.0%	38711	2669	61%	2999	914	96%	2769	844	93%
Hodgdon Retumbo	Max:*.	Max:71.1gr71.1gr \| 4.61g	97.9%	47471	3273	74%	3271	997	99%	3035	925	96%
IMR 4350	Min:*.	Min:58.2gr58.2gr \| 3.77g	81.0%	52228	3601	82%	3136	956	99%	2946	898	97%
IMR 4350	Max:*.	Max:60.6gr60.6gr \| 3.93g	84.4%	57348	3954	90%	3258	993	100%	3061	933	98%
IMR 4831	Min:*.	Min:56.0gr56.0gr \| 3.63g	81.0%	48979	3377	77%	3061	933	100%	2881	878	99%
IMR 4831	Max:*.	Max:60.0gr60.0gr \| 3.89g	86.7%	57145	3940	90%	3255	992	100%	3061	933	100%
IMR 4955 Enduron	Min:*.	Min:56.9gr56.9gr \| 3.69g	81.0%	43772	3018	69%	2940	896	95%	2749	838	92%
IMR 4955 Enduron	Max:*.	Max:64.0gr64.0gr \| 4.15g	91.1%	57290	3950	90%	3284	1001	97%	3077	938	95%
IMR 7828 SSC	Min:*.	Min:60.2gr60.2gr \| 3.90g	81.0%	43337	2988	68%	3058	932	95%	2838	865	91%
IMR 7828 SSC	Max:*.	Max:67.3gr67.3gr \| 4.36g	90.6%	57333	3953	90%	3419	1042	98%	3205	977	96%
IMR 8133 Enduron	Min:*.	Min:65.6gr65.6gr \| 4.25g	93.0%	38479	2653	60%	2986	910	93%	2759	841	89%
IMR 8133 Enduron	Max:*.	Max:69.3gr69.3gr \| 4.49g	98.0%	44222	3049	69%	3159	963	95%	2933	894	91%
Lovex S071	Min:*.	Min:55.4gr55.4gr \| 3.59g	81.0%	39044	2692	61%	2815	858	98%	2635	803	96%
Lovex S071	Max:*.	Max:65.3gr65.3gr \| 4.23g	95.5%	57203	3944	90%	3278	999	100%	3077	938	99%
Norma 204	Min:*.	Min:60.5gr60.5gr \| 3.92g	81.0%	52736	3636	83%	3202	976	98%	2999	914	96%
Norma 204	Max:*.	Max:62.7gr62.7gr \| 4.06g	83.9%	57377	3956	90%	3314	1010	99%	3120	951	97%
Norma 217	Min:*.	Min:66.1gr66.1gr \| 4.28g	93.0%	38740	2671	61%	3018	920	96%	2799	853	92%
Norma 217	Max:*.	Max:69.8gr69.8gr \| 4.52g	98.0%	44527	3070	70%	3196	974	97%	2959	902	94%
Norma MRP	Min:*.	Min:61.1gr61.1gr \| 3.96g	81.0%	44976	3101	70%	3110	948	98%	2897	883	95%
Norma MRP	Max:*.	Max:67.3gr67.3gr \| 4.36g	89.2%	57145	3940	90%	3415	1041	100%	3196	974	98%
Ramshot Hunter	Min:*.	Min:60.5gr60.5gr \| 3.92g	81.0%	52852	3644	83%	3219	981	100%	3018	920	98%
Ramshot Hunter	Max:*.	Max:62.7gr62.7gr \| 4.06g	83.9%	57362	3955	90%	3323	1013	100%	3117	950	99%
Ramshot Magnum	Min:*.	Min:63.7gr63.7gr \| 4.13g	81.0%	39943	2754	63%	2956	901	96%	2762	842	93%
Ramshot Magnum	Max:*.	Max:72.7gr72.7gr \| 4.71g	92.3%	57159	3941	90%	3396	1035	99%	3182	970	97%
ReloadSwiss RS 70	Min:*.	Min:63.0gr63.0gr \| 4.08g	81.0%	53243	3671	83%	3291	1003	100%	3081	939	99%
ReloadSwiss RS 70	Max:*.	Max:64.8gr64.8gr \| 4.20g	83.3%	57261	3948	90%	3376	1029	100%	3176	968	100%
ReloadSwiss RS 76	Min:*.	Min:65.4gr65.4gr \| 4.24g	84.0%	38653	2665	61%	3035	925	96%	2792	851	92%
ReloadSwiss RS 76	Max:*.	Max:75.6gr75.6gr \| 4.90g	97.2%	56927	3925	89%	3556	1084	100%	3314	1010	98%
ReloadSwiss RS 80	Min:*.	Min:71.0gr71.0gr \| 4.60g	90.0%	42540	2933	67%	3127	953	92%	2897	883	88%
ReloadSwiss RS 80	Max:*.	Max:76.5gr76.5gr \| 4.96g	97.6%	52591	3626	82%	3406	1038	95%	3169	966	92%
Rottweil R 904	Min:*.	Min:57.7gr57.7gr \| 3.74g	81.0%	47833	3298	75%	3058	932	96%	2858	871	94%
Rottweil R 904	Max:*.	Max:62.3gr62.3gr \| 4.04g	87.5%	57246	3947	90%	3278	999	98%	3091	942	96%
Rottweil R 905	Min:*.	Min:58.2gr58.2gr \| 3.77g	81.0%	41568	2866	65%	2949	899	94%	2746	837	90%
Rottweil R 905	Max:*.	Max:66.2gr66.2gr \| 4.29g	92.3%	56826	3918	89%	3353	1022	97%	3133	955	95%
Somchem S361	Min:*.	Min:62.3gr62.3gr \| 4.04g	81.0%	51300	3537	80%	3114	949	96%	2923	891	94%
Somchem S361	Max:*.	Max:65.1gr65.1gr \| 4.22g	84.6%	57000	3930	89%	3248	990	97%	3048	929	95%
Vihtavuori N160	Min:*.	Min:58.5gr58.5gr \| 3.79g	81.0%	45295	3123	71%	2989	911	96%	2795	852	93%
Vihtavuori N160	Max:*.	Max:64.7gr64.7gr \| 4.19g	89.4%	57290	3950	90%	3268	996	98%	3081	939	96%
Vihtavuori N165	Min:*.	Min:58.5gr58.5gr \| 3.79g	81.0%	41423	2856	65%	2904	885	96%	2717	828	94%
Vihtavuori N165	Max:*.	Max:66.8gr66.8gr \| 4.33g	92.4%	56985	3929	89%	3284	1001	99%	3100	945	98%
Vihtavuori N555	Min:*.	Min:57.3gr57.3gr \| 3.71g	81.0%	46673	3218	73%	3064	934	100%	2877	877	99%
Vihtavuori N555	Max:*.	Max:62.5gr62.5gr \| 4.05g	88.4%	57101	3937	89%	3304	1007	100%	3114	949	100%
Vihtavuori N560	Min:*.	Min:61.1gr61.1gr \| 3.96g	81.0%	44686	3081	70%	3100	945	94%	2874	876	91%
Vihtavuori N560	Max:*.	Max:67.6gr67.6gr \| 4.38g	89.6%	57362	3955	90%	3419	1042	97%	3199	975	95%
Vihtavuori N565	Min:*.	Min:61.1gr61.1gr \| 3.96g	81.0%	43149	2975	68%	3054	931	94%	2844	867	91%
Vihtavuori N565	Max:*.	Max:68.5gr68.5gr \| 4.44g	90.8%	57174	3942	90%	3415	1041	97%	3212	979	95%
Vihtavuori N568	Min:*.	Min:62.7gr62.7gr \| 4.06g	83.0%	38595	2661	60%	2956	901	92%	2736	834	88%
Vihtavuori N568	Max:*.	Max:72.8gr72.8gr \| 4.72g	96.1%	56826	3918	89%	3445	1050	97%	3215	980	94%

FR ... fill rate of the cartridge
%* ... max pressure of load in percent of the maximum allowed pressure for this caliber
z ... powder burnt in percent

... cells marked in yellow are not dangerous but indicate possible (but not necessary) suboptimal characteristics such as extensive muzzle flash or inaccurate loads.

IMORTANT: Scale down to 90% when printing to ensure the load table gets displayed correctly!

Caliber:	.257 Weath. Mag.
Propellant:	ADI AR 2209, ADI AR 2213, ADI AR 2217, ADI AR 2225, Accurate 3100, Accurate MAGPRO, Alliant Reloder-16, Alliant Reloder-19, Alliant Reloder-22, Alliant Reloder-23, Alliant Reloder-25, Alliant Reloder-26, Hodgdon H1000, Hodgdon H4350, Hodgdon H4831, Hodgdon H4831 SC, Hodgdon Hybrid 100V, Hodgdon Retumbo, IMR 4350, IMR 4831, IMR 4955 Enduron, IMR 7828 SSC, IMR 8133 Enduron, Lovex S071, Norma 204, Norma 217, Norma MRP, Ramshot Hunter, Ramshot Magnum, ReloadSwiss RS 70, ReloadSwiss RS 76, ReloadSwiss RS 80, Rottweil R 904, Rottweil R 905, Somchem S361, Vihtavuori N160, Vihtavuori N165, Vihtavuori N555, Vihtavuori N560, Vihtavuori N565, Vihtavuori N568
Bullet Weight:	122 gr \| 7.9 g
Bullet Diameter:	0.257 '' \| 6.53 mm
Primer Size:	Large Rifle Magnum (LRM)
Bullet Length:	1.00 '' \| 25.4 mm
Case Length (l3):	2.55 '' \| 64.7 mm
Cartridge Length / OAL:	3.12 '' \| 79.3 mm
Seated Depth:	0.43 '' \| 10.8 mm
Case Capacity:	84 Grains of Water \| 5.46 cm3

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.257 Weath. Mag. || .257 | 122gr | Remington SP Extended-Range

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