![]() 312 " 155gr bullet that I cast in pure lead and size to. The mould is the 90385 Lee double cavity 7.62x39. I have a large flock of Canadian geese that frequent a field about 250 yards from my shooting bench so it would be great if these silent lightweights hold stability to that range. I was very happy to see a group of 3/4" from the gas checked bullets and it is defiantly a contender as a cheap plinking bullet! I will test it further with other powders and at longer ranges very soon. However these shot far better than the heavy weight bullets and could be fine tuned with a faster pistol powder to bring the pressure up a touch.īesides the flyer in non gas checked bullets the group would have been about an inch. They are a very low pressure round with that powder and there was a lot of sooty black blow by on the spent case necks. I loaded them with 8.5gr of AR2205 to 1050fps and they are VERY quiet! The twist rate at 1-7" is too fast for these lightweights but I thought I give them a try anyway. Next up I loaded some 155gr Lee Spitzers that I cast and shoot in a custom big bore PCP air rifle. this is the result at 100 yards.įairly average results at best and really inconclusive to whether the gas check makes any difference to ballistics. I started off with the 245gr cast bullets from Robert which looks like a “perfect moulds” mould? I loaded them with several powders such as AR2205, AP 50, AP70 and Trail Boss but got the best (I use that word loosely) groups with 8.3gr of Hodgdon H110 both with and without gas checks fitted shooting an average of 1020fps. What I wanted was a cheaper subsonic bullet alternative to use around my property on rabbits and general plinking as it is a rifle I really like to shoot. It also shoots 125gr Nosler ballistic tips at 2320fps which group around an inch at 100y. The rifle will shoot half MOA with 240gr SMK subsonic loads but the projectiles are a little pricey so I save them for hunting rather than range work. Hardy custom AAC alloy over barrel suppressorĬustom larger Badger ordnance style bolt knobįixed 10x40 Bushnell Tactical scope with butler creek flip covers Magpul MOE + AR soft touch duck bill pistol grip Magpul CTR/MOE 0.50" Cheek Riser Black (not fitted in pic) Magpul CTR Carbine Milspec adjustable stock MDT LSS (Lightweight Sniper Systems) Chassis 300 Black outġ6.5" long 1-7" twist M24 type 5R barrel 5/8"x24 tpi thread The test platform is a Remington 700 Tactical AAC-SD. There is no real need to fit a gas check as they are only loaded at subsonic speeds. I have some 245gr and some 155gr cast bullets that I wanted to try with and without gas checks to see if the rebated "boat tail" like shape or a flat base would make any difference to group size. 300 AAC BLK cast bullets that Ive been wanting to test on paper. 300BLK load development on the Aussie forum but I have done lots more development since then and will add the more recent stuff here too.Ī sunny afternoon and a a few hours to experiment I decided to load up some. Some of our Aussie members may have seen some of this.
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