Load data for .44 Rem. Mag. + .429 | 270gr | Speer SP GD

Recommended Powder(s): ADI AP 100, Alliant POWER PISTOL, Rottweil P 806, Somchem S221, Vihtavuori N105

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.429 \| 270gr \| Speer SP GD
Manufacturer SKU:	4461
Bullet Weight:	270gr \| 17.5g
Bullet Diameter:	0.429" \| 10.90mm
Bullet Length:	0.752" \| 19.1mm
Caliber:	.44 Rem. Mag. load data
Case Length (l3):	1.275" \| 32.4mm
Cartridge Length (C.O.L.):	1.586" \| 40.3mm
Seated Depth:	0.441" \| 11.2mm
Shank Seated Depth:	0.441" \| 11.2mm
Case Capacity:	39.5 Grains of Water \| 2.56 cm³
Primer Size:	Large Pistol Magnum (LPM)
Max. allowed Pressure:	40611 psi \| 2800 bar
LID:	LID_B6278_C714
Last updated:	2025-02-02

Load data for 102 loads in caliber .44 Rem. Mag. with .429 | 270gr | Speer SP GD bullet and 51 powders such as ADI AP 100, Alliant POWER PISTOL, Rottweil P 806, Somchem S221, Vihtavuori N105. 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".

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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 AP 100 👍	<<locked>>	90%	36506	90%	**14	100%
ADI AS 30	<<locked>>	72%	36289	89%	**10	100%
ADI AS 50N	<<locked>>	66%	34635	85%	**30	100%
[Accurate 4100]*	<<locked>>	91%	35143	87%	**60	84%
Accurate No. 2	<<locked>>	68%	35012	86%	**09	100%
Accurate No. 7	<<locked>>	70%	36129	89%	**66	96%
Accurate No. 9	<<locked>>	78%	35737	88%	**60	91%
Accurate Solo 1000	<<locked>>	71%	36376	90%	**33	100%
Accurate Solo 1250	<<locked>>	73%	34606	85%	**66	100%
Accurate TCM	<<locked>>	78%	35230	87%	**47	92%
[Alliant 2400]*	<<locked>>	88%	35505	87%	**80	88%
Alliant BULLSEYE	<<locked>>	66%	36463	90%	**45	100%
Alliant POWER PISTOL 👍	<<locked>>	74%	36361	90%	**47	100%
Alliant UNIQUE	<<locked>>	74%	36071	89%	**48	100%
Baschieri & Pellagri 100	<<locked>>	71%	35491	87%	**27	100%
Hodgdon Clays	<<locked>>	67%	34969	86%	**5	100%
[Hodgdon LilGun]*	<<locked>>	96%	29399	72%	**57	85%
Hodgdon Universal	<<locked>>	68%	35476	87%	**86	100%
Hodgdon TrailBoss	<<locked>>	96%	17651	43%	**1	100%
Lovex D037.1	<<locked>>	70%	36129	89%	**66	96%
Lovex D037.2	<<locked>>	77%	35041	86%	**53	91%
Lovex S020	<<locked>>	67%	35447	87%	**02	100%
Maxam CSB 1	<<locked>>	76%	34722	85%	**63	100%
Maxam CSB 2	<<locked>>	73%	35346	87%	**66	100%
Maxam CSB 3	<<locked>>	73%	36332	89%	**60	100%
Maxam CSB 4	<<locked>>	71%	36260	89%	**40	100%
Maxam CSB 5	<<locked>>	66%	34969	86%	**8	100%
[Ramshot Enforcer]*	<<locked>>	89%	35230	87%	**83	89%
ReloadSwiss RS 12	<<locked>>	63%	35128	87%	**53	100%
ReloadSwiss RS 14	<<locked>>	94%	15722	39%	**7	100%
ReloadSwiss RS 20	<<locked>>	76%	36477	90%	**42	100%
ReloadSwiss RS 24	<<locked>>	77%	36506	90%	**60	98%
Rottweil P 806 👍	<<locked>>	79%	35346	87%	**47	100%
SNPE Vectan A0	<<locked>>	77%	35926	88%	**09	100%
SNPE Vectan BA 9	<<locked>>	69%	34969	86%	**73	100%
SNPE Vectan BA10	<<locked>>	66%	36230	89%	**8	100%
SNPE Vectan BA7 1/2	<<locked>>	81%	35259	87%	**58	100%
SNPE Vectan BA9 1/2	<<locked>>	70%	34969	86%	**76	100%
Shooters World Heavy Pistol	<<locked>>	77%	35041	86%	**53	91%
Shooters World Major Pistol	<<locked>>	70%	36129	89%	**66	96%
Somchem MP200	<<locked>>	69%	36535	90%	**48	100%
Somchem MS200	<<locked>>	72%	35476	87%	**12	100%
Somchem S221 👍	<<locked>>	64%	35723	88%	**24	99%
Vihtavuori 3N37	<<locked>>	74%	35157	87%	**75	100%
Vihtavuori 3N38	<<locked>>	86%	35607	88%	**34	98%
Vihtavuori N105 👍	<<locked>>	92%	35360	87%	**73	100%
Vihtavuori N320	<<locked>>	68%	36114	89%	**43	100%
Vihtavuori N32C Tin Star	<<locked>>	93%	35926	88%	**8	100%
Vihtavuori N330	<<locked>>	68%	34650	85%	**76	100%
Vihtavuori N340	<<locked>>	72%	35128	87%	**12	100%
Vihtavuori N350	<<locked>>	77%	34592	85%	**65	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	61%	16462	41%	**9	93%
ADI AS 30	<<locked>>	61%	27789	68%	**9	100%
ADI AS 50N	<<locked>>	61%	30443	75%	**8	100%
[Accurate 4100]*	<<locked>>	86%	29022	71%	**75	80%
Accurate No. 2	<<locked>>	61%	28456	70%	**37	100%
Accurate No. 7	<<locked>>	61%	25440	63%	**19	91%
[Accurate No. 9]*	<<locked>>	63%	20827	51%	**27	81%
Accurate Solo 1000	<<locked>>	61%	27963	69%	**8	100%
Accurate Solo 1250	<<locked>>	61%	24816	61%	**5	100%
[Accurate TCM]*	<<locked>>	61%	19435	48%	**4	81%
[Alliant 2400]*	<<locked>>	76%	24047	59%	**99	81%
Alliant BULLSEYE	<<locked>>	61%	32242	79%	**99	100%
Alliant POWER PISTOL	<<locked>>	61%	24555	60%	**86	97%
Alliant UNIQUE	<<locked>>	61%	25034	62%	**17	100%
Baschieri & Pellagri 100	<<locked>>	61%	27340	67%	**5	100%
Hodgdon Clays	<<locked>>	61%	30400	75%	**9	100%
[Hodgdon LilGun]*	<<locked>>	90%	24221	60%	**61	80%
Hodgdon Universal	<<locked>>	61%	29370	72%	**20	100%
Hodgdon TrailBoss	<<locked>>	70%	10704	26%	**9	100%
Lovex D037.1	<<locked>>	61%	25440	63%	**19	91%
[Lovex D037.2]*	<<locked>>	62%	20421	50%	**17	80%
Lovex S020	<<locked>>	61%	29153	72%	**37	100%
Maxam CSB 1	<<locked>>	62%	23641	58%	**5	100%
Maxam CSB 2	<<locked>>	61%	25556	63%	**5	100%
Maxam CSB 3	<<locked>>	61%	26165	64%	**8	100%
Maxam CSB 4	<<locked>>	61%	27934	69%	**1	100%
Maxam CSB 5	<<locked>>	61%	30560	75%	**2	100%
[Ramshot Enforcer]*	<<locked>>	76%	22843	56%	**96	81%
ReloadSwiss RS 12	<<locked>>	61%	33141	82%	**30	100%
ReloadSwiss RS 14	<<locked>>	69%	9616	24%	**6	100%
ReloadSwiss RS 20	<<locked>>	61%	23554	58%	**1	100%
ReloadSwiss RS 24	<<locked>>	61%	21611	53%	**33	91%
Rottweil P 806	<<locked>>	61%	18101	45%	**4	98%
SNPE Vectan A0	<<locked>>	61%	23511	58%	**1	100%
SNPE Vectan BA 9	<<locked>>	61%	27673	68%	**4	100%
SNPE Vectan BA10	<<locked>>	61%	32024	79%	**5	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	20160	50%	**5	99%
SNPE Vectan BA9 1/2	<<locked>>	61%	27267	67%	**1	100%
[Shooters World Heavy Pistol]*	<<locked>>	62%	20421	50%	**17	80%
Shooters World Major Pistol	<<locked>>	61%	25440	63%	**19	91%
Somchem MP200	<<locked>>	61%	29109	72%	**63	100%
Somchem MS200	<<locked>>	61%	26150	64%	**07	100%
Somchem S221	<<locked>>	61%	32256	79%	**81	98%
Vihtavuori 3N37	<<locked>>	61%	23511	58%	**24	100%
[Vihtavuori 3N38]*	<<locked>>	61%	16505	41%	**5	87%
[Vihtavuori N105]*	<<locked>>	61%	12633	31%	**9	86%
Vihtavuori N320	<<locked>>	61%	29544	73%	**4	100%
Vihtavuori N32C Tin Star	<<locked>>	62%	17608	43%	**4	100%
Vihtavuori N330	<<locked>>	61%	28413	70%	**14	100%
Vihtavuori N340	<<locked>>	61%	25527	63%	**01	100%
Vihtavuori N350	<<locked>>	61%	21219	52%	**4	100%

Start Load - Barrel Length: 5.50''

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