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Posted On: 5/12/2022
By: Ron
A: Thanks for reaching out Ron! I think you're referring to Black Hills 5.56x46 Mk 262. Interestingly enough, Black Hills owner Jeff Hoffman actually had to work to convinve Sierra to add a cannelure to their MatchKing. They resisted because they thought it would impact accuracy, but Mr. Hoffman believed it was needed to prevent setback. Sellier & Bellot may have taken inspiration from the Mk 262, but they haven't added a cannelure since I last checked. That may indeed have the implications you're suspecting, but if Sierra was so opposed to it in the first place then I don't expect it to be a serious problem as far as overall performance is concerned.
Posted On: 8/1/2021
By: Joe
A: Thanks for reaching out Joe! A 77 grain bullet should give you the best accuracy it's capable of when fired through a 1:7 twist barrel.
Posted On: 5/5/2021
By: Nick D
A: Thanks for reaching out Nick! I never advise a non-expanding bullet for deer hunting, and the HPBT, despite its appearance, is not designed for terminal expansion. This isn't to say you couldn't instantly anchor a deer with a well-placed shot from this round, but the consensus in the hunting world is that non-expanding bullets aren't ethical for whitetail. I'm afraid we haven't got an ideal 5.56 or 223 option for deeer hunting in stock at the moment, but we do update our inventory frequently. I hope you'll chack back in again soon!
Posted On: 5/3/2021
By: Juan Quintero
A: Thanks for reaching out Juan! You understand correctly about the MK 262 Mod 1 made by Black Hills. Whereas Black Hills' MK 262 MOD 1-C has a non-tipped MatchKing, Sellier & Bellot's equivalent has the Czech manufacturer's own, proprietary bullet. Now don't get me wrong – I like S&B's products, and use them myself. Their HPBT is an inherently accurate bullet that can do great things in the right hands. But Sierra's engineering and quality control processes are just a step above what S&B is currently equipped to accomplish – an authentic MK262 Mod1-C cartridge by Black Hills is just a better cartridge. But when it's unavailable, I would consider the S&B round an acceptable alternative (especially since you plan to use 77gr 5.56 for CQB, in which the Black Hills' round's slightly superior BC won't have a chance to exhibit itself).
Posted On: 5/1/2021
By: Ismael Cisneros
A: Thanks for reaching out Ismael! This is long-distance ammo, like what snipers would use. A very heavy HPBT bullet may be very accurate, but it can't expand inside its target to deal greater damage to it. To be sure, anything you shoot with a cartridge like this won't be better off for it, but since you're not going to engage a threat over several hundred yards there is no advantage to choosing this ammo over regular FMJ loads you'd pick for the range.
We currently haven't got specialized self-defense 5.56 in stock, but the Hornady Frontier ammo will certainly do what you want. It's essentially the same ammo that our troops are issued for field use with the M16A1 rifle.
luckygunner.com/5-56x45-55-grain-m193-hornady-frontier-150-rounds