I use BL-C2 myself.

Code
 Cartridge          : .204 Ruger
Bullet             : .204, 32, Hornady V-MAX 22004
Useable Case Capaci: 31.087 grain H2O = 2.018 cm³
Cartridge O.A.L. L6: 2.287 inch = 58.09 mm
Barrel Length      : 26.0 inch = 660.4 mm

Predicted Data for Indicated Charges of the Following Powders.
Matching Maximum Pressure: 51397 psi, or 354 MPa
or a maximum loading ratio or filling of 100 %
These calculations refer to your specified settings in QuickLOAD 'Cartridge Dimensions' window.
C A U T I O N : any load listed can result in a powder charge that falls below minimum suggested
loads or exceeds maximum suggested loads as presented in current handloading manuals. Understand
that all of the listed powders can be unsuitable for the given combination of cartridge, bullet
and gun. Actual load order can vary, depending upon lot-to-lot powder and component variations.
USE ONLY FOR COMPARISON !

122 loads produced a Loading Ratio below user-defined minimum of 85%. These powders have been skipped.
Powder type          Filling/Loading Ratio  Charge    Charge   Vel. Prop.Burnt P max  P muzz  B_Time
                                      %     Grains    Gramm   fps     %       psi     psi    ms
---------------------------------  -----------------------------------------------------------------
Alliant AR-Comp *C *T               98.1     27.2     1.76    4003   100.0    51398    7122   0.946  ! Near Maximum !
Bofors RP11 TZ *C *T approximation  97.5     27.2     1.76    4003   100.0    51398    7122   0.946  ! Near Maximum !
Nitrochemie A/S 0300                86.7     25.5     1.65    3986   100.0    51398    7265   0.949  ! Near Maximum !
Accurate 2495                       99.6     27.9     1.81    3980    99.8    51398    7598   0.988  ! Near Maximum !
Winchester 748                      94.2     29.1     1.88    3972    97.1    51398    7709   0.951  ! Near Maximum !
ADI AR 2219                         89.3     26.4     1.71    3956    99.0    51398    7368   0.946  ! Near Maximum !
Hodgdon H322                        95.0     26.4     1.71    3956    99.0    51398    7368   0.946  ! Near Maximum !
SF033 fl, russ. 5,45x39             89.7     26.3     1.70    3947   100.0    51398    6855   0.965  ! Near Maximum !
Hodgdon BL-C2                       96.6     30.2     1.96    3945    96.1    51398    7771   0.964  ! Near Maximum !
Shooters World Match Rifle          99.4     29.4     1.90    3943    97.9    51398    7579   0.970  ! Near Maximum !
Accurate 2520                       97.2     29.4     1.90    3943    97.9    51398    7579   0.970  ! Near Maximum !
Lovex D073.6                        99.4     29.4     1.90    3943    97.9    51398    7579   0.970  ! Near Maximum !
Hodgdon H4895                       98.2     28.1     1.82    3940    95.2    51398    7713   0.961  ! Near Maximum !
Alliant Reloder-10x *C              92.5     25.0     1.62    3939   100.0    51398    7071   0.959  ! Near Maximum !
SNPE Vectan SP 10                   89.0     27.2     1.77    3935    98.2    51398    7429   0.957  ! Near Maximum !
PB Clermont PCL 508 *C (PCL223)     88.9     27.3     1.77    3933    98.3    51398    7417   0.957  ! Near Maximum !
Hodgdon H335                        89.4     28.0     1.81    3931    98.4    51398    7418   0.956  ! Near Maximum !
Norma 202 *C                        99.2     28.0     1.81    3930    98.4    51398    7428   0.962  ! Near Maximum !
ADI AR 2206H                        98.4     28.2     1.83    3927    94.4    51398    7668   0.962  ! Near Maximum !
Vihtavuori N530 *C                  94.7     27.3     1.77    3924    96.1    51398    7501   0.955  ! Near Maximum !
IMR 3031                           100.0     26.8     1.74    3919    99.0    46620    7582   0.986
PB Clermont PCL 507 *C              95.4     28.5     1.85    3918    96.1    51398    7518   0.959  ! Near Maximum !
Norma 200 *C                        88.8     24.9     1.61    3915   100.0    51398    6912   0.975  ! Near Maximum !
ReloadSwiss RS 40                   92.6     27.1     1.75    3915    97.4    51398    7357   0.956  ! Near Maximum !
Ramshot Wild Boar                   96.4     29.5     1.91    3914    94.4    51398    7600   0.959  ! Near Maximum !
IMR 4895                           100.0     28.7     1.86    3912    93.9    49193    7820   0.979
Somchem S321                        93.7     28.9     1.87    3912    96.4    51398    7535   0.966  ! Near Maximum !
IMR 4198                            91.6     23.5     1.53    3910   100.0    51398    6621   0.935  ! Near Maximum !
Rottweil R901                       97.8     26.6     1.72    3909    98.1    51398    7381   0.980  ! Near Maximum !
ADI AR 2207                         87.3     23.4     1.52    3907   100.0    51398    6550   0.952  ! Near Maximum !
SNPE Vectan SP 9                    98.9     29.3     1.90    3904    94.4    51398    7528   0.960  ! Near Maximum !
IMR 8208 XBR                        96.5     27.7     1.79    3903    95.9    51398    7385   0.957  ! Near Maximum !
Accurate 2015                       95.2     26.1     1.69    3903    99.9    51398    6963   0.969  ! Near Maximum !
Norma 201 *C                        99.7     27.9     1.81    3899    96.1    51398    7464   0.974  ! Near Maximum !
Alliant Reloder-12                  94.3     27.6     1.79    3891    99.0    51398    7075   0.956  ! Near Maximum !
Lovex D073.5                        92.7     28.5     1.85    3889    97.1    51398    7328   0.978  ! Near Maximum !
Accurate 2460                       92.5     28.5     1.85    3889    97.1    51398    7328   0.978  ! Near Maximum !
Shooters World AR Plus              91.1     28.0     1.81    3880    96.9    51398    7225   0.972  ! Near Maximum !
Lovex D073.4                        91.1     28.0     1.81    3880    96.9    51398    7225   0.972  ! Near Maximum !
Alliant Reloder-7                   86.5     24.0     1.55    3880   100.0    51398    6657   0.958  ! Near Maximum !
ADI AR 2210                         89.7     26.5     1.72    3878    96.8    51398    7173   0.957  ! Near Maximum !
Somchem S341                        97.2     30.0     1.94    3877    94.4    51398    7322   0.961  ! Near Maximum !
Ramshot Big Game                   100.0     30.5     1.98    3876    93.4    48774    7644   0.977