IMR Laaidata
IMR, originally known as Improved Military Rifle Powders, has been a mainstay in the handloading community since its inception in the early 20th century. With roots tracing back to the DuPont Company, IMR has a longstanding history of providing high-quality components engineered for precision and reliability. Today, IMR stands out as a venerable brand specializing primarily in smokeless powders, which are prized for their versatility and stability across a wide range of calibers.
About IMR
IMR's line of smokeless powders is renowned among reloaders for its consistent performance in both rifle and handgun applications. With specific offerings such as IMR 4064, IMR 4350, and IMR 4895, these powders are engineered to meet the rigorous demands of precision shooting and varmint hunting, and they are suitable for use in both high-pressure and low-pressure environments. IMR maintains strict quality control standards ensuring batch-to-batch consistency, a critical factor for reloaders seeking reliable results.
The company provides comprehensive reloading data on its website and through various publications, assisting handloaders in developing safe and effective loads. The availability of data across various bullet weights and calibers enhances the ease of load development, making it suitable for novices and seasoned reloaders alike.
Within the handloading community, IMR holds a reputation for benchmark quality and performance. Its powders are considered industry standards, and they continue to be favored by expert reloaders seeking accuracy, ease of use, and predictable ballistic performance. IMR's commitment to quality and innovation ensures its powders remain integral components for handloaders worldwide.
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Begin BerekenIMR Poeiers in ons databasis:
IMR 3031
IMR 3031 is a medium-fast burn rate rifle powder, particularly well-suited for a range of calibers where efficiency and accuracy at modest pressure levels are paramount. Known for its consistency and versatile performance across varying case capacities, 3031 powder is a popular choice for classic calibers like .30-30 Winchester, .308 Winchester, and smaller bore high-velocity loads. Its extruded rod form offers precision in metering, though users should note that careful attention to powder measures is needed for exact charge weights. Despite its fast burn rate relative to other rifle powders, 3031 maintains stability under a wide range of ambient temperatures, ensuring reliable performance throughout the year. For load developers, IMR 3031 offers a forgiving pressure curve that is advantageous for those seeking optimal accuracy without high pressures. Handloaders favor this powder for its ability to produce accurate loads with minimal variation, making it a staple in the portfolios of seasoned reloaders seeking to exploit the full potential of medium-bore and vintage calibers.
IMR 4064
IMR 4064 is 'n veelsydige medium brandtempo poeier wat veral geskik is vir 'n wye reeks geweerkalibers. Sy brandeienskappe bied betroubare prestasie en akkuraatheid oor talle ladingsdensiteite, wat dit 'n gunstelingkeuse maak vir intermediêre-grootte patrone. Hierdie enkel-basis ekstrudering poeier bied konsekwente meeteienskappe, alhoewel sy silindriese korrels noukeurige aandag in progressiewe herlaai-instellings mag vereis. Handladers verkies dikwels IMR 4064 vir sy uitstekende temperatuurstabiliteit, wat konsekwente prestasie onder wisselende omgewingstoestande verseker, wat van kardinale belang is vir jagters en teikenskuts. Tipiese toepassings sluit kalibers soos .308 Winchester, .30-06 Springfield, en 7mm-08 Remington in, waar presiese ladingsontwikkeling noodsaaklik is vir die optimalisering van akkuraatheid en konsekwentheid. Sy aanpasbaarheid laat toe vir superieure ladingdigtheidsaanpassings, wat herlaaiers in staat stel om vir maksimum presisie en doeltreffendheid fyn af te stel. Die reputasie van IMR in die handlaaigemeenskap vir kwaliteit en prestasie maak 4064 'n betroubare opsie vir diegene wat betroubare en herhaalbare resultate in hul ammunisievangstuks gaan.
IMR 4166 Enduron
IMR 4166 Enduron is 'n medium brandtempo geweerpoeier, ideaal vir 'n verskeidenheid kalibers, wat buitengewone veelsydigheid bied soortgelyk aan ander propellante in die IMR reeks. Dit blink uit in patrone soos .308 Winchester, .30-06 Springfield, en ander midde-grootte geweerpatrone, wat dit 'n voorkeurkeuse maak onder mededingende skuts en jag-entoesiaste. Die geëkstrudeerde formulering van 4166 Enduron verbeter sy metering eienskappe, wat konsekwente poeier ladingsgewigte en betroubare ballistiese prestasie verseker. Noemenswaardig is hierdie poeier ingesluit koper-afskilfering eliminator tegnologie, wat tot verminderde vuiligheid en onderhoud lei. Met sy samestelling bied IMR 4166 Enduron merkwaardige temperatuurstabiliteit, wat betroubare prestasie oor 'n wye reeks omgewingstoestande handhaaf, wat ervare herlaaiers vertroue gee in die ontwikkeling van ladings. Sy primêre voordeel vir herlaaiers is sy veelsydigheid, wat presiese aanpassings gebaseer op spesifieke skietbehoeftes moontlik maak. Soos herlaaiers konsekwentheid en akkuraatheid soek, voldoen 4166 Enduron aan hierdie vereistes, versterk deur IMR se sterk reputasie vir kwaliteit en betroubaarheid binne die herlaai gemeenskap.
IMR 4198
IMR 4198 is a fast-burning rifle powder favored among handloaders for its versatility and reliable performance, particularly in smaller calibers. Known for its relatively quick burn rate, this extruded powder is well-suited for reloading applications involving intermediate rifle cartridges such as .223 Remington, .45-70 Government, and .30-30 Winchester. IMR 4198's small granule size facilitates consistent metering through various powder measures, although it may require careful attention in achieving precise weights due to its extruded nature. Its temperature stability has been well-regarded, providing consistent velocity and pressure outputs across a range of environmental conditions, an important factor for precision shooters and hunters alike. Handloaders appreciate IMR 4198 for its proven performance in popular varmint calibers, where it offers improved shot-to-shot consistency. Additionally, this powder supports efficient load development thanks to its generic performance characteristics in widely-used reloading data, making it easier for users to tailor loads to specific firearms. This propellant exemplifies the commitment of IMR to quality, providing reliable ignition and repeatable performance independent of temperature variations.
IMR 4227
IMR 4227 is a versatile propellant with a relatively fast burn rate, making it an excellent choice for handloaders focusing on rifle and specialized subsonic applications. Its burn rate suits it well for use in magnum handgun cartridges and small rifle cartridges, where it can help achieve consistent results under varying conditions. The powder is a single-base, extruded formulation that ensures uniform metering through powder measures, providing consistent charge weights and aiding in precision. Its temperature stability makes it a reliable choice year-round, maintaining performance in both hot and cold conditions, a feature highly valued by reloaders seeking consistent velocities and pressures. IMR 4227’s adaptability shines particularly in calibers such as 22 Hornet, 300 Blackout with subsonic loads, and 218 Bee, offering excellent versatility for reduced noise shooting. Load development with this powder is typically straightforward; however, care should be taken as its fast burn rate can quickly reach pressure limits. Handloaders appreciate the consistent ignition and pressure stability IMR has engineered into this powder, making it a trusted choice in the reloading community.
IMR 4350
Accurate 4350 is a medium-slow burning rifle powder, ideal for a variety of bolt-action and long-range precision applications. Designed for mid to large caliber cartridges, Accurate 4350 excels in providing consistent performance with popular calibers such as .30-06 Springfield, .270 Winchester, and the 6.5 Creedmoor. The powder's extruded granule form is engineered to meter precisely through standard powder measures, ensuring uniform charge weights critical for precision shooting. One of the standout attributes of Accurate 4350 is its commendable temperature stability, offering reliable performance across varying environmental conditions, which is a significant advantage for long-range shooters and hunters. Load development with Accurate 4350 is straightforward, thanks to its predictable pressure curve and compatibility with a wide range of bullet weights. Experienced handloaders value this powder for its capacity to generate excellent accuracy and velocity while maintaining manageable recoil. Accurate Powders is renowned for its commitment to quality and consistency, making 4350 a respected choice among seasoned reloaders seeking optimal performance in their rifle handloads.
IMR 4451 Enduron
IMR 4451 Enduron dryfmiddel is 'n medium brandtempo poeier, spesifiek ontwerp vir geweertoepassings. Dit is deel van die innoverende Enduron-reeks, met 'n uitgedrukte, kort-korrelige fisiese vorm wat gladde en konsekwente meting in laaimeganismes vergemaklik. Die poeier is bekend vir sy indrukwekkende temperatuur stabiliteit, wat konsekwente prestasie oor 'n wye reeks omstandighede handhaaf, wat van groot voordeel is vir handlaaiers wat betroubare skoot-tot-skoot konsekwentheid soek. IMR 4451 is veral geskik vir gewilde kalibers soos 30-06 Springfield, 270 Winchester, en 300 Winchester Magnum, en bied uitstekende snelheid en akkuraatheidspotensiaal. Wanneer ladings ontwikkel word, sal herlaaiers hierdie poeier se vermoë om koper-vervuiling te verminder, waardeer as gevolg van sy moderne, omgewingsvriendelike formulering, wat die loop-lewe verleng. Die medium brandtempo van IMR 4451 lewer veelsydige prestasie, wat dit 'n waardevolle komponent maak vir sowel medium- as grootwild jagtoepassings, en sy reputasie vir kwaliteit en prestasie binne die herlaaigemeenskap versterk.
IMR 4831
IMR 4831 is a slow-burning propellant with a burn rate classification of 1.1, making it an excellent choice for high-performance rifle loads. Its fine extruded form contributes to consistent metering, allowing for precise charge weights and enhanced accuracy in handloading applications. This powder exhibits excellent temperature stability, ensuring reliable performance across a range of environmental conditions, which is critical for competitive shooters and long-range enthusiasts. Typically, IMR 4831 is favored for medium to large calibers such as .30-06 Springfield, .270 Winchester, and .300 Winchester Magnum, where its slow burn rate effectively maximizes velocity and minimizes recoil. When developing loads, reloaders should consider using high-quality brass and consistent primers to complement the benefits of IMR 4831. Its reputation for producing tight groups and consistent velocities has made it a trusted choice among experienced handloaders, offering specific advantages in terms of accuracy, velocity consistency, and flexibility across various rifle platforms.
IMR 4895
IMR 4895 is 'n veelsydige medium brandtempo geweer kruit wat bekend is in die herlaai gemeenskap vir sy aanpasbaarheid en behoue prestasie. Dit is ideaal geskik vir 'n wye reeks geweer patrone, insluitend die gewilde .308 Winchester en .30-06 Springfield, wat dit 'n steunpilaar maak onder intermediêre geweer skuts en wedstryd deelnemers. Die kruit se geëstrueerde graan vorm verseker presiese en eenvormige maatwerk, noodsaaklik vir die verkryging van konstante snelhede en druk in handladings. Ondanks sy geëstrueerde aard, meet dit goed deur meeste volumetriese kruitmate en handhaaf akkuraatheid. Temperatuur sensitiwiteit met IMR 4895 is minimaal, wat betroubare prestasie oor wisselende omgewingstoestande bied, 'n kritieke faktor vir mededingende skuts en jagters wat betroubare resultate vereis. Sy matige brandtempo bied 'n balans van prestasie, bevorder doeltreffende ladingsontwikkeling en laat maatgemaakte ladings toe wat 'n projektiel se ballistiese potensiaal kan maksimeer. IMR se langdurige reputasie en hul streng gehaltebeheer prosesse verseker dat hierdie kruit top vlak prestasie lewer, wat sy posisie as 'n alledaagse keuse vir ervare herlaaiers versterk wat presisie in hul geweer ladings nastreef.
IMR 4955 Enduron
IMR 4955 Enduron is 'n veelsydige geweerkruit met 'n medium-stadige brandtempo, geposisioneer effens stadiger as IMR 4350, wat dit ideaal maak vir 'n wye reeks gewilde geweerkalibers. Hierdie verfynde dryfmiddel presteer in die lewering van eenvormige ontbranding en optimale drukkurwes, veral geskik vir groter kassets tipies in presisieskietkuns en jaagtoepassings. Die 4955 Enduron beskik oor 'n kortgesnyde uitgesnyde vorm, wat konsekwente meting deur kruitpeilers bevorder, wat akkuraatheid en herhaalbaarheid in handherlaaiprosesse bevorder. Een van die sleutelkenmerke van 4955 Enduron is sy uitsonderlike temperatuurstabiliteit, wat ontwerp is om konsekwente prestasie te bied oor 'n wye verskeidenheid omgewingstoestande. Hierdie kruit is goed geskik vir kalibers soos die .270 Winchester, .30-06 Springfield, en .300 Winchester Magnum, wat uitstekende snelheid en akkuraatheid bied. Die Enduron-tegnologie inkorporeer 'n koper-afskilservwyderaar, wat die loop se lewe verbeter en onderhoudsintervalle verminder. Vir herlaaiers sluit die voordele van 4955 Enduron in sy skoon brandkenmerke en gunstige drukbestuur in, wat buigsaamheid in ladingsontwikkeling toelaat. Hierdie kruit se konsekwentheid bemagtig ervare herlaaiers om ladings fyn aan te pas vir presisie-akkuraatheid en optimale ballistiese prestasie.
IMR 7828 SSC
IMR 7828 SSC is 'n gewilde stadig-brandende poeier ontwerp vir geweerlade, wat dit 'n ideale keuse maak vir magnum-kalibers wat hoogs-energie dryfmiddels nodig het. Sy brandtempo is besonder geskik vir hoë-snelheid toepassings waar doeltreffendheid en konsekwentheid voorrang geniet. Aangesien 'n "kort snit" (SSC) vorm van 7828, bied hierdie poeier verbeterde metingseienskappe deur meeste poeier-maatreëls, en verseker eenvormige ladings en verminderde variasie in druk en snelheid. Hierdie eienskap is besonder voordelig tydens ladingsontwikkeling, aangesien dit help om presiese, herhaalbare resultate te behaal. 7828 SSC word geprys vir sy uitstekende temperatuur stabiliteit, wat konsekwente prestasie oor 'n wye reeks klimaattoestande bied. Hierdie kenmerk maak dit 'n betroubare keuse vir jagters en langafstand skutters wat presisie in verskeie klimaat eis. Algemeen gepaai met kalibers soos .300 Winchester Magnum, 7mm Remington Magnum, en .338 Lapua Magnum, stel hierdie poeier uitstekende kasvulling en optimale ballistiese prestasie in staat. Herlaaiers waardeer sy kapasiteit om aan diverse behoeftes te voldoen, wat buigsaamheid en presisie op die bank bied.
IMR 7977 Enduron
IMR 7977 Enduron is a variably slow-burning rifle powder designed for optimal performance in large magnum cartridges. With a burn rate of 0.7, this propellant caters specifically to rifle loads requiring a gradual energy release, enhancing the ballistic efficiency of long-range magnum rounds. The powder's physical form features a finely extruded kernel, facilitating consistent metering through most powder dispensers. This property is crucial for maintaining precise control over charge weights, ensuring repeatable results across multiple loadings. Renowned for its temperature stability, IMR 7977 Enduron performs consistently under varying environmental conditions, minimizing velocity fluctuations that can impact shot accuracy. It is especially well-suited for popular calibers such as the 7mm Remington Magnum, .300 Winchester Magnum, and .338 Lapua Magnum, optimally delivering substantial energy and accuracy. Reloaders benefit from its copper fouling eliminator technology, which helps maintain bore cleanliness and extends barrel life. This powder is recommended for those seeking high performance while developing loads that maximize accuracy and terminal ballistics, making it a favored choice among dedicated marksmen and hunters.
IMR 8133 Enduron
IMR 8133 Enduron is a slow-burning rifle propellant ideally suited for magnum calibers. With its slow burn rate, it is exceptionally well suited for larger cartridges, especially in high-energy applications involving rifles. This powder is extruded in form, ensuring consistent grain size for reliable metering, though care in handling during weighing and dispensing is advised for precision. Featuring Enduron technology, 8133 provides excellent temperature stability across a range of conditions, minimizing velocity variations typically associated with temperature changes. Commonly paired with calibers such as the 300 Winchester Magnum, 7mm Remington Magnum, and 338 Lapua Magnum, this powder maximizes performance by offering a stable pressure curve and high velocity potential. For handloaders developing loads, IMR 8133 Enduron offers easy ignition and excellent case fill characteristics, reducing the risk of secondary explosive effect (SEE) in large cases. The powder's chemical composition reduces copper fouling, which is advantageous for prolonged shooting sessions and simplifies barrel maintenance, enhancing handloading efficiency and performance.
IMR 8208 XBR
IMR 8208 XBR is 'n gewilde geweerkruit onder handsnutters as gevolg van sy medium brandtempo, wat dit hoogs veelsydig maak in 'n reeks kasetton-toepassings. Sy korrelagtige vorm maak dit moontlik vir presiese meting, wat variasie in ladingsgewigte verminder. Merkwaardig is dat 8208 XBR bekend is vir sy uitstekende temperatuurstabiliteit, wat konstante prestasie bied oor verskillende omgewingstoestande, wat krities is vir presisie skietdissiplines. Hierdie dryfmiddel presteer in kalibers soos .223 Remington, .308 Winchester, en 6.5mm Grendel, waar akkuraatheid en betroubaarheid van kardinale belang is. Tydens ladingsontwikkeling maak 8208 XBR se toegeeflike aard die vind van akkurate en doeltreffende ladingskombinasies makliker, wat voordelig is vir ervare herladers en beginners. IMR se reputasie in die handherlaaigemeenskap word versterk deur die kruit se konstante bondelkwaliteit, wat vertroue met elke aankoop ondersteun. Handskutters verkies hierdie kruit vir kompetisieskietoefeninge en toepassings waar herhaalbare skoot-tot-skootkonsekwentheid van kardinale belang is, wat sy reputasie as 'n topkeuse vir hoogs-prestasie ladings versterk.
Standard Load Data — IMR
Kies hieronder jou gewenste kaliber en projektielgewig om toegang tot die ooreenstemmende laaitabel te kry. Van daar af kan jy enige gelyste laairesep kies en dit direk na die ballistiese sakrekenaar oordra vir verdere verfyning, optimalisering en presisie-aanpassing.
.308 | 220gr | Nosler Partition
.30-06 Spring.
.308 | 175gr | SAKO Blade
.300 Weath. Mag.
.284 | 180gr | Berger BT Target
7 mm Rem. SA Ultra Mag.
.284 | 162gr | Hornady ELD-X
7 x 65 R Brenneke
.264 | 120gr | Swift A-Frame
6.5 x 63 R Messner Mag.
.264 | 87gr | IBEX TRD
6.5-06 A-Square
.308 | 185gr | Berger JUG
.30-06 Ackley Improved
.243 | 95gr | Berger VLD Target
6 mm GT
.264 | 120gr | Impala RNFP KO
6.5 mm Rem. Mag.
.458 | 420gr | Impala RNFP KO
.450 Rigby
.323 | 220gr | Brenneke TOG
8 x 75 RS
.285 | 139gr | Prvi Partizan SP
7 mm Rem. Ultra Mag.
.311 | 123gr | Sellier & Bellot SP
.30-30 Win.
.308 | 100gr | Barnes X FN
.30-30 Win.
.264 | 155gr | CutEdge DGSC
6.5 x 47 Lapua
.263 | 156gr | Prvi Partizan SP RN
6.5 x 47 Lapua
.338 | 230gr | Lehigh Defense Match Solid
.338 Weatherby RPM
.306 | 155gr | Fox Classic Hunter
.300 Weath. Mag.
.284 | 140gr | Barnes BND SPIT-FIRE
7 mm Rem. SA Ultra Mag.
.375 | 250gr | Lehigh Defense Controlled Fracturing
.375 Ruger
.308 | 125gr | Speer TNT
7.5 x 55 Swiss
.311 | 150gr | Prvi Partizan SP BT
.30-06 Ackley Improved
.308 | 155gr | Lapua ScenarL
7.62 x 53 R Fin.
.264 | 100gr | Fox Classic Hunter
6.5-06 A-Square
Community Loads — IMR
Monster laai data met IMR kogels of poeiers uit ons databasis.
U het 'n PRO lisensie nodig om al die data te ontsluit en te sien.
Gereelde vrae
We offer load data for 14 IMR powders, including IMR 3031, IMR 4064, IMR 4166 Enduron, IMR 4198, IMR 4227.