Load data for .25-35 Win. + .257 | 120gr | Sierra HPBT GameKing

Recommended Powder(s): Accurate 4064, IMR 3031, Lovex D073.6, Shooters World Match Rifle, Vihtavuori N540

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.257 \| 120gr \| Sierra HPBT GameKing
Manufacturer SKU:	1650
Bullet Weight:	120gr \| 7.8g
Bullet Diameter:	0.257" \| 6.53mm
Bullet Length:	1.170" \| 29.7mm
Caliber:	.25-35 Win. load data
Case Length (l3):	2.040" \| 51.8mm
Cartridge Length (C.O.L.):	2.512" \| 63.8mm
Seated Depth:	0.698" \| 17.7mm
Shank Seated Depth:	0.553" \| 14.1mm
Case Capacity:	38.0 Grains of Water \| 2.47 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B5799_C216
Last updated:	2025-01-01
Recommended Twist Rate:	1:10 - 1:8

Load data for 118 loads in caliber .25-35 Win. with .257 | 120gr | Sierra HPBT GameKing bullet and 59 powders such as Accurate 4064, IMR 3031, Lovex D073.6, Shooters World Match Rifle, Vihtavuori N540. The key underlying parameters are shown in the table above.

Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service.

Questions regarding the load data: Please read the information in the next tab "Explanations".
A load must fulfill certain criteria to be listed in the default view below - see "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.

You can set your specifications in the "Personalized Load Calculator".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
Muzzle velocity vs. barrel length
Every 1 inch additional barrel length increases muzzle velocity by approx. 23 fps
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads, >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	88%	38914	88%	**97	95%
[ADI AR 2208]*	<<locked>>	93%	38827	88%	**74	94%
Accurate 2015	<<locked>>	84%	38566	87%	**47	100%
[Accurate 2200]*	<<locked>>	86%	38841	88%	**47	92%
Accurate 2460	<<locked>>	83%	39639	90%	**97	98%
Accurate 2495	<<locked>>	89%	38928	88%	**36	100%
Accurate 2520	<<locked>>	88%	38363	87%	**20	98%
Accurate 4064 👍	<<locked>>	95%	39189	89%	**49	99%
Alliant AR-Comp	<<locked>>	88%	38972	88%	**29	100%
Alliant Reloder- TS 15.5	<<locked>>	95%	39450	89%	**43	96%
[Alliant Reloder-15]*	<<locked>>	93%	39581	89%	**36	94%
[Alliant Reloder-17]*	<<locked>>	96%	36405	82%	**16	93%
[Baschieri & Pellagri 107]*	<<locked>>	89%	38914	88%	**06	93%
Hodgdon BL-C2	<<locked>>	88%	39595	90%	**56	96%
Hodgdon Benchmark	<<locked>>	85%	39813	90%	**47	97%
[Hodgdon CFE223]*	<<locked>>	93%	39001	88%	**39	93%
Hodgdon H322	<<locked>>	85%	39218	89%	**03	99%
[Hodgdon H380]*	<<locked>>	93%	38218	86%	**97	92%
[Hodgdon VARGET]*	<<locked>>	94%	39392	89%	**90	94%
IMR 3031 👍	<<locked>>	92%	38653	87%	**49	100%
[IMR 4064]*	<<locked>>	94%	39117	88%	**77	94%
IMR 4895	<<locked>>	91%	38870	88%	**36	95%
IMR 8208 XBR	<<locked>>	86%	38464	87%	**70	96%
Lovex D073.5	<<locked>>	83%	38957	88%	**80	97%
Lovex D073.6 👍	<<locked>>	90%	38363	87%	**20	98%
Lovex S060	<<locked>>	87%	39233	89%	**34	95%
Lovex S062	<<locked>>	93%	39450	89%	**06	97%
Norma 201	<<locked>>	89%	39624	90%	**90	97%
Norma 202	<<locked>>	89%	39595	90%	**13	99%
Norma 203B	<<locked>>	93%	38754	88%	**26	95%
[Ramshot Big Game]*	<<locked>>	93%	39262	89%	**39	94%
[Ramshot TAC]*	<<locked>>	86%	39436	89%	**70	91%
Ramshot Wild Boar	<<locked>>	88%	39682	90%	**23	95%
[Ramshot X-Terminator]*	<<locked>>	83%	38508	87%	**44	94%
ReloadSwiss RS 52	<<locked>>	94%	39189	89%	**72	97%
[ReloadSwiss RS 60]*	<<locked>>	96%	35650	81%	**03	94%
Rottweil R 901	<<locked>>	86%	39349	89%	**74	98%
Rottweil R 902	<<locked>>	91%	39189	89%	**80	96%
Rottweil R 903	<<locked>>	96%	36593	83%	**90	95%
[SNPE Vectan SP 11]*	<<locked>>	95%	38421	87%	**29	94%
[SNPE Vectan SP 7]*	<<locked>>	88%	39349	89%	**83	92%
SNPE Vectan SP 9	<<locked>>	90%	39291	89%	**06	95%
SNPE Vectan Tubal 3000	<<locked>>	87%	39276	89%	**24	99%
SNPE Vectan Tubal 5000	<<locked>>	94%	39552	89%	**47	99%
Shooters World Match Rifle 👍	<<locked>>	90%	38363	87%	**20	98%
Shooters World Precision	<<locked>>	93%	39450	89%	**06	97%
Somchem S321	<<locked>>	84%	39233	89%	**06	97%
Somchem S335	<<locked>>	87%	38261	87%	**28	99%
Somchem S341	<<locked>>	89%	39523	89%	**03	95%
Somchem S355	<<locked>>	96%	38798	88%	**16	95%
Vihtavuori N130	<<locked>>	84%	39726	90%	**28	100%
Vihtavuori N133	<<locked>>	90%	39682	90%	**44	100%
Vihtavuori N135	<<locked>>	96%	36898	83%	**70	100%
Vihtavuori N140	<<locked>>	91%	39320	89%	**90	99%
Vihtavuori N150	<<locked>>	97%	33373	75%	**88	95%
Vihtavuori N530	<<locked>>	85%	39030	88%	**90	97%
Vihtavuori N540 👍	<<locked>>	92%	39624	90%	**23	99%
[Winchester 6.5 StaBALL]*	<<locked>>	96%	34505	78%	**82	92%
Winchester 748	<<locked>>	85%	39566	89%	**46	97%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	31401	71%	**42	92%
[ADI AR 2208]*	<<locked>>	86%	31285	71%	**16	90%
Accurate 2015	<<locked>>	81%	35766	81%	**98	100%
[Accurate 2200]*	<<locked>>	81%	33417	76%	**39	90%
Accurate 2460	<<locked>>	81%	36912	83%	**44	97%
Accurate 2495	<<locked>>	81%	29588	67%	**56	99%
Accurate 2520	<<locked>>	81%	30792	70%	**69	96%
Accurate 4064	<<locked>>	81%	24918	56%	**34	95%
Alliant AR-Comp	<<locked>>	81%	31053	70%	**78	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	82%	26585	60%	**51	90%
[Alliant Reloder-15]*	<<locked>>	85%	30661	69%	**46	90%
[Alliant Reloder-17]*	<<locked>>	92%	31836	72%	**05	91%
[Baschieri & Pellagri 107]*	<<locked>>	83%	32895	74%	**78	90%
[Hodgdon BL-C2]*	<<locked>>	81%	30777	70%	**75	93%
Hodgdon Benchmark	<<locked>>	81%	35853	81%	**75	96%
[Hodgdon CFE223]*	<<locked>>	89%	33968	77%	**28	90%
Hodgdon H322	<<locked>>	81%	35027	79%	**24	99%
[Hodgdon H380]*	<<locked>>	90%	34432	78%	**18	90%
[Hodgdon VARGET]*	<<locked>>	86%	30777	70%	**06	90%
IMR 3031	<<locked>>	81%	27586	62%	**06	97%
[IMR 4064]*	<<locked>>	86%	30211	68%	**90	90%
[IMR 4895]*	<<locked>>	81%	28137	64%	**00	90%
[IMR 8208 XBR]*	<<locked>>	81%	33315	75%	**62	94%
Lovex D073.5	<<locked>>	81%	36245	82%	**31	97%
Lovex D073.6	<<locked>>	81%	28413	64%	**13	95%
[Lovex S060]*	<<locked>>	81%	32895	74%	**06	92%
[Lovex S062]*	<<locked>>	81%	27311	62%	**44	92%
[Norma 201]*	<<locked>>	81%	30879	70%	**13	94%
Norma 202	<<locked>>	81%	30560	69%	**33	96%
[Norma 203B]*	<<locked>>	83%	28906	65%	**13	90%
[Ramshot Big Game]*	<<locked>>	85%	30835	70%	**52	90%
[Ramshot TAC]*	<<locked>>	84%	36782	83%	**18	90%
[Ramshot Wild Boar]*	<<locked>>	81%	32169	73%	**69	92%
[Ramshot X-Terminator]*	<<locked>>	81%	36129	82%	**98	93%
[ReloadSwiss RS 52]*	<<locked>>	81%	25440	58%	**44	90%
[ReloadSwiss RS 60]*	<<locked>>	91%	30124	68%	**59	90%
Rottweil R 901	<<locked>>	81%	34200	77%	**72	97%
[Rottweil R 902]*	<<locked>>	81%	29428	67%	**67	93%
[Rottweil R 903]*	<<locked>>	85%	26136	59%	**57	90%
[SNPE Vectan SP 11]*	<<locked>>	87%	30255	68%	**46	90%
[SNPE Vectan SP 7]*	<<locked>>	85%	35346	80%	**08	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	29820	67%	**03	91%
SNPE Vectan Tubal 3000	<<locked>>	81%	32706	74%	**96	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	26368	60%	**72	96%
Shooters World Match Rifle	<<locked>>	81%	28413	64%	**13	95%
[Shooters World Precision]*	<<locked>>	81%	27311	62%	**44	92%
Somchem S321	<<locked>>	81%	35186	80%	**31	96%
Somchem S335	<<locked>>	81%	32082	73%	**06	98%
[Somchem S341]*	<<locked>>	81%	30748	70%	**19	91%
[Somchem S355]*	<<locked>>	85%	26905	61%	**54	90%
Vihtavuori N130	<<locked>>	81%	36782	83%	**75	100%
Vihtavuori N133	<<locked>>	81%	30545	69%	**70	99%
Vihtavuori N135	<<locked>>	81%	23511	53%	**59	96%
Vihtavuori N140	<<locked>>	81%	28311	64%	**60	96%
[Vihtavuori N150]*	<<locked>>	86%	24105	54%	**59	90%
Vihtavuori N530	<<locked>>	81%	34824	79%	**08	95%
Vihtavuori N540	<<locked>>	81%	27717	63%	**67	95%
[Winchester 6.5 StaBALL]*	<<locked>>	93%	31154	70%	**06	91%
Winchester 748	<<locked>>	81%	34258	77%	**41	96%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber

V(0) ... muzzle velocity in feet per second (fps) or meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍 ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

<<locked>>... you need to buy an access license to unlock the data