Add magwells for KSVK, AA-12, CZ-750, vz 59 (#1286)

addons/jam/CfgMagazineWells.hpp

@@ -2,6 +2,7 @@ class CfgMagazineWells {
 
     // Rifle calibre magwells, ordered lexicographically in metric and imperial groups
     #include "magwells_11x59R.hpp"                  // 11x59mmR Gras | 11mm Vickers
+    #include "magwells_127x108.hpp"                 // 12.7x108mm (Russian .50 Cal)
     #include "magwells_145x114.hpp"                 // 14.5x114mm
     #include "magwells_46x30.hpp"                   // 4.6x30mm
     #include "magwells_545x39.hpp"                  // 5.45x39mm
@@ -33,7 +34,7 @@ class CfgMagazineWells {
     #include "magwells_338NM.hpp"                   // .338 Norma Magnum
     #include "magwells_30Carbine.hpp"               // .30 Carbine | 7.62x33mm
     #include "magwells_408CT.hpp"                   // .408 Cheyenne Tactical | 408 Chey Tac | 10.36x77mm
-    #include "magwells_50BMG.hpp"                   // .50 BMG | .50 Browning Machine Gun | 12.7x99mm NATO
+    #include "magwells_50BMG.hpp"                   // .50 BMG | .50 Browning Machine Gun | 12.7x99mm NATO (Western .50 Cal)
 
     // Pistol calibre magwells, ordered lexicographically in metric and imperial groups
     #include "magwells_10mmAuto.hpp"                // 10mm Auto | 10mm Automatic | 10x25mm

addons/jam/magwells_127x108.hpp

@@ -0,0 +1 @@
+    class CBA_127x108_KSVK  {};     // KSVK

addons/jam/magwells_12gauge.hpp

@@ -8,5 +8,8 @@
     class CBA_12g_2rnds {};         // 2 loose rounds
     class CBA_12g_1rnd {};          // 1 loose round
 
+    class CBA_12g_AA12 {};          // AA-12 Stick Magazines
+    class CBA_12g_AA12_XL {};       // AA-12 Drum Magazines
+
     class CBA_12g_SAIGA {};         // Saiga Stick Magazines
     class CBA_12g_SAIGA_XL {};      // Saiga Drum Magazines

addons/jam/magwells_762x51.hpp

@@ -10,6 +10,8 @@
     class CBA_762x51_AR10_L {};     // AR-10 long mag (25/30 rounds)
     class CBA_762x51_AR10_XL {};    // AR-10 drum mag (X-Products 50 round)
 
+    class CBA_762x51_CZ750 {};      // CZ-750
+
     class CBA_762x51_FAL {};        // FN FAL
     class CBA_762x51_FAL_L {};      // FN FAL long mag (25/30 rounds)
     class CBA_762x51_FAL_XL {};     // FN FAL drum mag (X-Products 50 round)

addons/jam/magwells_762x54.hpp

@@ -1,22 +1,24 @@
-    class CBA_762x54R_DPM {};       // DP-27, DP-28, DPM, Degtyaryov LMG
-    class CBA_762x54R_DT {};        // DT, DTM LMG
+    class CBA_762x54R_DPM {};           // DP-27, DP-28, DPM, Degtyaryov LMG
+    class CBA_762x54R_DT {};            // DT, DTM LMG
 
-    class CBA_762x54R_LINKS {       // Links for PK, PKM, and similar
+    class CBA_762x54R_LINKS {           // Links for PK, PKM, and similar
         BI_belts[] = {
             "150Rnd_762x54_Box",
             "150Rnd_762x54_Box_Tracer"
         };
     };
 
-    class CBA_762x54R_Maxim {};     // Maxim gun in 7.62x54R
-    class CBA_762x54R_Mosin {};     // M91/30, M38, M44 Mosin
-
-    class CBA_762x54R_RP46 {};      // RP-46
+    class CBA_762x54R_Maxim {};         // Maxim gun in 7.62x54R
+    class CBA_762x54R_Mosin {};         // M91/30, M38, M44 Mosin
 
-    class CBA_762x54R_SVD {         // SVD
+    class CBA_762x54R_RP46 {};          // RP-46
+
+    class CBA_762x54R_SVD {             // SVD
         BI_mags[] = {
             "10Rnd_762x54_Mag"
         };
     };
 
-    class CBA_762x54R_SVT {};       // SVT-38, SVT-40
+    class CBA_762x54R_SVT {};           // SVT-38, SVT-40
+
+    class CBA_762x54R_Vz59_LINKS {};    //Uk vz. 59, UK59, vz 59