![]() 951 Subsonic loads for 222 Rem/ 223 Remington I have perfected casting NOE 37 grain. 338LM, 6.5X47, 308 etc through cans and it works great. Subsonic 223 Reloading Data Here are a few pointers on how to build. This is just my opinion based on quite a few years of playing with subsonics and suppressors. That way you can take care of any close in stuff quietly and save a lot of time on loading a basic 22LR equivalent in your rifle. I know some guys think they should have subs for any gun they carry with a can but it makes more sense to carry a suppressed. You've got a 300gr subsonic telephone pole coming out of the barrel and with good loading and workup with your rifle you can hit dogs out to 500yds with a heavy bullet and do it quietly. 338 BR upper on might make it worth doing. (Neck sized and minimally full sized brass showed simular results) 20' howa mini action, 1 in 8 twist. On the other hand taking your AR and putting a. 223 trailboss results using 40gn/45gn projectiles- Very important to notice that it isnt worth going above around 8.8gn (velocity comes down). You don't gain enough with the subs to make it worthwhile when you're limited to. ![]() Find your best price for 223 Remington Ammo rifle subsonic Best 223. This is why the 55 grain SP flat base bullets work well as subsonic round!īullet Trajectory- Distance is in Yards and drop is in inches.I think more realistically you build a dedicated subsonic rifle and just shoot regular HV ammo out of your. WE HAVE TWO DIFFERENT LOADS OF CYCLING SUBSONIC AMMUNITION- THIS ONE IS OPTIMAL FOR. Most rifle loadings are all supersonic, so subsonic loads are specially down-loaded to stay below the speed of sound. In 9mm, most loading data are supersonic. Having a high BC bullet at subsonic does not benefit the shooter at all. All data in this caliber is subsonic but is not normally tagged with the name subsonic. BC (ballistic coefficient) is for supersonic flight, and does not matter at subsonic speeds. Anyone have information on subsonic loads for 223/5. The Accurate S1250 subsonic 223 loads have been discussed before, but I had not seen many. Below is an interactive data table for reloading 223 Rem / 5. This allows the 55 grain SP flat base to be more stable and have the potential to be more accurate at subsonic speeds than a BTHP design. Subsonic 223 Reloading Data Grains of IMR 4227 112 grain HP. The 55 grain SP flat base is a much shorter bullet than a similar weight 55 V-max or BTHP design. In a given twist rate (like a 1:10″ or 1:9″ barrel twist) and slow subsonic speeds, a shorter, flat base bullet is more stable than a longer BTHP or VLD match bullet of the same weight. Bullet length is a major factor in how stable it is out of the muzzle. Why use a 55 grain SP (soft point) flat base, instead of a BTHP, VLD, polymer tip or match bullet? When shooting at subsonic speeds, bullet stability becomes a huge factor for the bullet to properly stabilize and for it to shoot well. ![]() If you are zero’d at 100 yards with normal full power supersonic 223 or 5.56 ammo, your point of impact (POI) with the subs will be about 6″-12″ low at 100 yards. This ammo will NOT cycle an AR-15!!! It will shoot fine out of an AR-15, but you will need to manually cycle the bolt. The 55 grain SP bullet is marginally stable in a 1:12″ twist barrel at subsonic speeds, and should not be shot in any slower twist rate. If you have a 1:12″ twist, you will need to check bullet stability first before shooting through a suppressor. This ammo will NOT cycle an AR-15!! This ammo is designed for 1:10″ twist or faster (1:9″, 1:8″. This subsonic ammo is not designed for barrels longer than 24″. This ammo is loaded to SUBSONIC speeds for barrels from 10″ to about 22″ barrels. Once-fired LC brass, Hornady 55 grain SP (soft point) 1030 fps. This data is intended for subsonic use in firearms with barrel twist rates appropriate to stabilize the bullets listed. 224' 2.200' 300 Blackout 125 GR NOS BT Hodgdon Trail Boss. Our top selling 223/5.56 SUBSONIC round (priced per 100 rounds). 223 Remington 55 GR HDY FMJ Hodgdon Tite Group. ![]()
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