Humidity: 39%. Barometric pressure: 30.10 inches of Hg. Elevation: 950 feet above sea level. The muzzle velocity for the 10-shot string of the Black Hills 5.56mm 50 grain TSX ammunition fired from the 20" Colt barrel was 3419 FPS with a standard deviation of 11 FPS and a coefficient of variation of 0.32%!Sellier & Bellot 5.56X45 77 Grain Hollow Point Boat Tail Rifle Ammunition, 20, BTHP $18.81 (Save 11%) $16.69 $0.83/Round Winchester MATCH 5 . 56 x45mm NATO 77 grain Boat Tail Hollow Point Centerfire Rifle Ammunition, 20, BTHP $36.99 (Save $2.90) $34.09 $1.70/RoundMar 5, 2024 · The AAC 5.56 NATO Ammo 77 Grain OTM is proudly made in Columbia, SC, USA. Conclusion. The AAC 5.56 NATO Ammo 77 Grain OTM is an outstanding choice for any gun enthusiast who values accuracy and reliability. With its superior performance, tight groupings, and American-made quality, this ammunition is a testament to AAC’s commitment to excellence.Details. Manufacturer: Atomic Model Number: 00429 Ammo Bullet Type: Hollow Point Boat Tail Ammo Casing Type: Brass Ammo Bullet Weight: 77 grain Ammo Round Count: 50/Box Caliber Multi: .223 Remington/5.56x45mm NATO Muzzle Energy: 188 lb/ft Muzzle Velocity: 1050 fps Application: Target, Tactical Series/Collection: Subsonic.Hornady Manufacturing Company develops and publishes reloading data for the Handbook of Cartridge Reloading. Occasionally, we will temporarily publish load data on this page when a bullet becomes available and is not yet listed in the latest edition of the handbook. 6.5mm .264" 100 gr. ELD-VT™ [PDF] 22 ARC (Bolt Gun) [PDF] 22 ARC (Gas Gun) [PDF]This cartridge is loaded with the precision-loving 5.56 enthusiast’s favorite kind of bullet: the 77 grain open tip match. That is indeed a heavy bullet, with 40% more mass than the typical M193 spec target load’s FMJ projectile. It dampens the round’s muzzle velocity, but exhibits greater resistance to wind interference as a reward.However, for shooters seeking such a mythical trifecta, Palmetto State Armory and AAC offer a solution: their 55 Grain Sabre Blade Black Tip Ammunition. In this in-depth review, we'll explore the performance of this ammunition in conjunction with a specific rifle setup - the Radical Firearms 5.56 16" RPR - and dive into the pros, cons, and ....300 Blackout vs 5.56 Conclusions.300 AAC Blackout ammo is a hard-hitting 30-caliber upgrade to the AR platform that mimics the terminal ballistics of the Russian 7.62x39 and adds new levels of versatility to the rifle. The ability to change between supersonic rounds for longer shots and subsonic ammo for CQB with only a magazine change adds a level of flexibility not seen with the 5.56mm NATO.Features. Enhance your shooting accuracy with Sig Sauer marksman elite 5.56x45mm Ammo, featuring 77 grain open tip match (OTM) bullets., this ammunition delivers exceptional precision and performance, making it ideal for competitive shooting and precision applications. Explore and purchase now to optimize your shooting experience and achieve ...AAC 5.56 Ammo Evaluation. So the AAC 5.56 is US made brass case 5.56x45 NATO with 55gr. FMJ. I bought some to test out because $.40/rd for US brass case is pretty good in today's market, especially when sold in 20rd boxes. I got real curious and decided to really dive into the ammo with disassembly and component inspection, velocity data and an ...Apr 19, 2022 · I managed to get my hands on some 77 grain TMKS for the 5.56. What is the best powder to pair with them for maximum velocity out of a 10.5" and 14.5" AR? I see there is a ton of info out there, but didn't know if there is a consensus on some of the best powders for this application. Thanks!Overall, the AAC 5.56 NATO Ammo 77 Grain Sierra MatchKing HPBT w/ Cannelure is an exceptional choice for those seeking accuracy, performance, and reliability in their ammunition. Designed for competition shooters and crafted with meticulous attention to detail, this ammunition consistently delivers outstanding results.AAC 5.56 NATO 70 Grain Barnes TSX 20rd Box Ammunition. Out of stock. AAC 5.56 NATO 70 Grain Barnes TSX 20rd Box Ammunition. Details; SKU: AAC556TSX1-20: Model Number: AAC556TSX1-20: Brand: AAC: UPC: AAC556TSX1-20: Price Per Round: $1.00: Caliber: 5.56x45mm: Notify Me When Back in Stock . Add to Wish List Add to Compare. …BIG, BIG, CLEAN UP MESS. I have IMI 77 grain and got 300 rounds of the AAC 75 grain Match. So glad to read the reviews on the AAC ammo. I also have the Norma 77 grain match, 69 grain match. ADI 69 grain, and 55 grain "Blitzking" which is great ammo!For (inside the home) common interior-sheetrock-exterior-brick combination structure home defense with .223/5.56 with an AR go with FMJ XM193 or M193. ... I had a brass plated steel case get into my .300 AAC ammo I was reloading that ruined my Decapping/Sizing die (scored the die wall), I must have missed it when sorting. ... I prefer the 77 gr ...The mountains. Sep 4, 2023. #1. I've been looking around for some load data for 5.56 69 - 77 grain bullets. Specifically for 556 pressures not 223 Remington. I've been looking around for load data on this, but it seems that most people provide 223 Remington data, which is a bit cooler then 556 data. It's also hard to distinguish between ...48% (12 positive, 13 negative, 4 neutral) I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns. Vote. awesome_jackob123. • 48 min. ago. If they keep pushing out 77 grain for this price I might just have to build a Mk12 “at home” to shoot it.Daniel Defense Magazine AR-15 223 Remington, 5.56x45mm, 300 AAC Blackout 32-Round Polymer Black. 45 Reviews. $21.39. Add to Cart. Magpul PMAG M3 Window Magazine AR-15 223 Remington, 5.56x45mm 30-Round Black. 1657 Reviews. $17.05. Add to Cart. Magpul PMAG M3 Magazine AR-15 223 Remington, 5.56x45mm 10-Round Black.Gainers UserTesting, Inc. (NYSE:USER) shares jumped 91.7% to close at $7.40 after the company announced it will be acquired by Thoma Bravo and S... Indices Commodities Currencies...It shoots 77 grain .223/5.56 like a dream. But upon investigation I found out that all ammo in .223/5.56 in 77 grains seems to be match type ammo. Meaning it might have a small hollow point, but the hollow point in match ammo is not meant for hunting. I honestly cannot find a manufacturer that makes “hunting” hollow point (or polymer tip ...Be the first to review "Black Hills 5.56mm NATO 77 grain Sierra Tipped MatchKing ... D556N19" Cancel reply. You must be logged in to post a review. Related products. Federal American Eagle 300 AAC Blackout Ammo 220 grain Subsonic OTM - AE300BLKSUP2. Rated 5.00 out of 5 $ 26.99 - $ 604.49 Select options. Federal Fusion 30-30 Winchester ...BIG, BIG, CLEAN UP MESS. I have IMI 77 grain and got 300 rounds of the AAC 75 grain Match. So glad to read the reviews on the AAC ammo. I also have the Norma 77 grain match, 69 grain match. ADI 69 grain, and 55 grain "Blitzking" which is great ammo!Pure grain alcohol can be purchased in a majority of states. In states where the sale of pure grain alcohol has not been explicitly prohibited by state law, such sales are legal.Considering what Ammo Oracle says about the 5.56/.223 round requiring at least 2700fps to garauntee fragmentation, would an expansion-type hollow point or soft tip bullet be more effective out of a 10.5" - 11.5" barrel in a combat situation ? 75gr OTM or 77gr Mk262 work out of an 11" barrel.(links below) Review of AAC's OTC, SMK, and TMK ammo in 5.56. How accurate is it? How reliable is it? How consistent are the speeds/energy? Can you punch...77gr OTM is psas in house 77gr SMK. the TMK is a poly tipped version of the OTM/SMK. The poly tip in an SMK is not designed to aid in expansion like some tipped hunting bullets, although some results seem to say it helps. Just went back and checked his vid, you are correct.Dec 16, 2011 · Re: .223 69 grain vs. 77 grain. 77's won't make it 1000 yards. Match loads for the 77 shoot out to about 750-800 yards (in a Service Rifle AR). 77's hold better at 600 yards than 69's. If you single load (slow fire) 80's are better than 77's but are to long to load to magazine length. 77's loaded to mag length shoot almost as well as single ...New Republic 9mm Luger Ammo 115 Grain FMJ - $11.03 box / $220.62 case - with AMMO+ membershipJul 3, 2023 · Quoted: The 77gr SMK and TMK look to perform really well in shorter 9" to 12" inch barrels. which would translate to a longer barrel at longer range. It seems that the Speer Gold Dot 62gr, 65gr, 75gr, Federal Fusion 62gr and Winchester Ranger Super X Power Point 64 grain are good options for 16" inch AR15's.This round's bullet is the real star of the show. Its hulking 77 grain weight means it achieves a lower muzzle velocity and requires a 1:8" or faster barrel twist, but the heavier bullet boasts outstanding resistance to interference by cross and vertical winds. The OTM's evenly thick jacket has a hollow point nose cavity in its tip ...Crafted by AAC, a trusted name in firearms innovation, this ammunition is engineered to deliver unparalleled The store will not work correctly when cookies are disabled. Menu ... AAC "Sabre" 5.56 NATO 70 Grain SBX Solid Copper Hollow Point 20rd Box Ammunition. Out of stock. AAC "Sabre" 5.56 NATO 70 Grain SBX Solid Copper Hollow Point ...In this video we're taking a look at how well AAC does premium ammo. Firing 77 Grain Sierra Matchking and the 77 Grain AAC proprietary rounds from a Tavor X95.2 days ago · Brand: AAC Bullet Type: Sabre Blade Black Tip Bullet Weight: 75gr Bullet Ballistic Coefficient: .334 G1 Casing: AAC Brass-Boxer Primed, Fully Reloadable Caliber: 5.56 NATO Quantity: 20 Velocity: 2700 FPS. Model Number AAC556SAB3-20. Browse for more AAC 223/5.56 ammo.The first round up of the Big Freakin' Cartridge Test is IMI's take on the Black Hill's classic heavy precision load, Mk. 262. Branded as "77gr Razor Core", IMI's version sports annealed 5.56mm NATO cases, neck and primer sealant, and of course 77gr Open Tip Match projectiles.Jun 19, 2014 · I had the pleasure to shoot some Black Hills 77-grain 5.56 through my Tavor roughly a year ago, and the ammo produced the best results of all the types of rounds I tested (1.5-inch five-shot ...4 days ago · Brand: AAC Bullet Type: Hollow Point Boat Tail W/Cannelure Casing: AAC Brass-Boxer Primed, Fully Reloadable Caliber: 5.56 NATO Quantity: 20 Bullet Weight: 77gr Velocity: 2700 FPS FEATURES The 5.56 77GR Sierra MatchKing® HPBT Ammunition from AAC delivers superior performance when you need it most. Sierra MatchKing 77gr …Jan 12, 2023 · (links below) AAC is the NEW guy on the block. Many are not familiar with them, how does their 5.56 ammo perform? What can you expect? How do they compare...AAC 5.56 NATO Ammo 77 Grain Sierra MatchKing HPBT w/ Cannelure 20rd Box Brand: AACBullet Type: Hollow Point Boat Tail W/CannelureCasing: AAC Brass-Boxer Primed, Fully Reloadable Caliber: 5.56 NATOQuantity: 20Bullet Weight: 77grVelocity: 2700...Winchester Match 5.56x45mm NATO Ammo 77 Grain Sierra GameKing Full Metal Jacket. Product Family #: 2900459981. Videos (1) Our Price: $31.99 - $309.99. ($1.55 - $1.60 per round) Out of Stock, No Backorder. Made in USA.Some alternative cartridges like the 300 AAC Blackout (7.62×35mm) ... It uses a 77-grain (5.0 g) Sierra MatchKing bullet that is more effective at longer ranges than the standard issue M855 round. ... It appears that this round can drastically improve the performance of any AR-15 weapon chambered to .223/5.56 mm. Superior accuracy, wounding ...The only disadvantage to 75gr will likely be cost and availability. Depending on which 75gr and which 77gr pill you are shooting, the results can either be nearly identical or fairly different. If all you are doing is LARP'ing at 25yds, just shoot 55gr. Reply.The 5.56 62 Grain FMJ Ammunition from AAC delivers superior performance when you need it most. Designed for use in a variety of applications and manufactured through AAC's advanced research, design, and engineering process with state-of-the-art, quality machines, and materials. Rigorously refined by AAC through multiple quality control ...May 24, 2023 · Federal XM193 (55 gr. FMJ) Winchester M855 (62 gr. Penetrator) 26" 3431 fps: 3280 fps 25" 3426 fps: 3229 fps 24" 3409 fps: 3188 fps 23" 3350 fps: 3169 fps 22" 3366 fps: 3158 fps 21" 3305 fps: ... Also consider the lesser-known .277 Wolverine, which is a bridge between the .223/5.56 and .300 Blackout, and uses the same .223/5.56 cases ...Freedom 5.56 77gr HPBT Match New. Loaded with a Nosler competition 77 grain hollow point boat tail bullet, this ammunition shoots at 2550 fps. The hollow point boat tail bullet profile delivers low drag and flat trajectories, while the swaged lead core provides uniformity and consistency. These HPBT bullets allow for unmatched accuracy at long ...Colt Match Ammunition 5.56x45mm NATO 77 Grain Sierra MatchKing Hollow Point Boat Tail. Product Family #: 2084239541. Our Price: $21.49 - $521.99. ($1.04 - $1.07 per unit) Select Quantity: View Important Delivery Info. Email To Friend.I've found that for a 16" barrel shooting 5.56 pressure 77gr (think Mk262) the 7.62 reticle is as close as you can get. It's dead on for all intents and purposes. Same goes for the Leupold Mk6. The standard 5.56 reticle may be more accurate than your rifle if zero'd in the right manner.5.56x45 NATO ammo features a rimless and tapered bottleneck case that measures 44.70mm (1.76 inches) in length and ranges from a 6.43mm diameter at its neck to a 9.58mm diameter at its base. This casing houses a boat-tailed bullet with a diameter of 5.70mm, or .224 inch.South side of Big River. Oct 31, 2023. #1. Cleaned the tip with a small jewelers drill bit and the results. 223 w/77 gr SMK at 2780 fps, tagged out with a 234 yard shot & 20 yard recovery. jacket was in the offside hide. Reactions:JIMB3AM, ThicketCricket, Bendigo78and 41 others.Aug 9, 2023 · Decided to buy some of Palmetto State Armory's brand, AAC, ammo.Shooting theith 77 and 75 grain 5.56 nato ammo, and the results were somewhat shocking for th...The very best prices for in-stock IMI 5.56x45mm NATO Ammo rifle 77 grains | Best IMI 5.56x45mm NATO Ammunition rifle 77 grains - AmmoSeek.com Reviews Deals Help Documentation Blog FAQ ... .300 AAC Blackout (7.62x35mm) 4.02%: 9.45 ACP/Auto: 2.53%: 10: 10mm Auto: 1.71%: 11: 6.5mm Creedmoor: 1.60%: 12.380 Auto: 1.37%: 13.357 Mag: 1.14%: 14.40 S&W ...VM13383. $14.99. Weight: 0.65 LBS. Current Stock: Description. The 5.56 75GR Sabre Blade Black Tip Ammunition from AAC delivers superior performance when you need it most. Sabre Blade Black Tip is designed to be one of the most highly effective self-defense rounds offered to the American people at an affordable price.The 75 was good, wouldn't quite call it match ammo but shot pretty great for me. It's awesome. Almost shoots as well as the iwi. Use at least a 20" barrel to get in very accurate shots at 600 meters. Don't pass up this deal, comes to about .77 cents a round after taxes/shipping. American made from South Carolina.AAC 5.56 NATO Ammo 77 Grain Sierra MatchKing HPBT w/ Cannelure 20rd Box Brand: AACBullet Type: Hollow Point Boat Tail W/CannelureCasing: AAC Brass-Boxer Primed, Fully Reloadable Caliber: 5.56 NATOQuantity: 20Bullet Weight: 77grVelocity: 2700...MK262 Mod 1 is loaded in WCC 5.56mm brass and uses a cannelured version of the 77 grain Sierra MatchKing. The round is charged with a proprietary ball powder. The primer pockets are crimped and sealed. Contrary to erroneous information that has been posted on the Internet, MK262 Mod 1 does nothave case-mouth sealant.This is an older picture of what the barrel can do at 200 with 62 gr hpbt and h414. Anyway the new powder is Alliant MR-2000. 75 is about the longest practical bullet for 223 cases and mags that keep the round to approximately 2.260 OAL. Max load is 26.4 , I did .2 grain increments to save time. best groups and it was 85 F at 4800 feet was 26 ...Me and 2 of my hunting partners have switched from 300blk and 7.62x39 and 6.5 Grendel over to 77gr bthp in 5.56. I can load a mag for less that $15 and don't see myself going back to other more expensive cartridges any time soon. I'm shooting a 18" 1:7tw WOA barrel and with the 77gr Sierra match kings AAC load from palmetto state.Find in stock 223/5.56 ammo deals for sale. Compare prices from all online vendors and choose the best cheap 223 Rem & 5.56 NATO in-stock ammo deal. ... AAC 5.56 NATO 77 Grain OTM Shell Shock Ammo 250rd With AAC Blue 30 Cal Ammo Can - $224.99. $0.90 ppr $224.99. SKU AAC556OTMSS1-250BP Brand AAC Model Number AAC556OTMSS1-250BP DETAILS Brand: AAC ...1000 Round case - 5.56 x 45 77 Grain OTM SMK Hollow Point Magtech First Defense Sniper Ammo - 556CBrass case, boxer primer, new production high performance 5.56 Ammo by Magtech. ... Favorite 300 AAC Blackout Factory Ammo for Suppressed AR? mebgardner; Apr 27, 2024; The Armory ; Replies 14 Views 444. Apr 30, 2024. tanker79. B. Truing 308 Gasser ...Whether it's a protein, grain, Buddha, or veggie bowl, you'll need these tips to make a great one. The allure of grain bowls, Buddha bowls, and protein bowls is that, if they’re ma...The .223 (.224) 77GR Open Tip Match (OTM) Projectile is the next BIG offering from AAC! This projectile can be used with both .223 and 5.56 brass and delivers superior performance when you need it most. Designed for use in various applications and manufactured through an advanced research, design, and engineering process with state-of-the-art ...When it comes to .223 Rem/5.56 NATO ammunition, 55 grain FMJ is far and away the most popular load used by semi-auto rifle shooters.In this video we're taking a look at how well AAC does premium ammo. Firing 77 Grain Sierra Matchking and the 77 Grain AAC proprietary rounds from a Tavor X95.Ruger american ranch rifle in 5.56. 10 round group at 100 yard. Using a rifle rest. 77 grain otm 5.56 aac (not smk). This was from this weekend (sunday). Two fliers were 100% on me. Using a cost effective Vortex 1-12 crossfire II Will be heading back to do some more shooting maybe Friday or tomorrow to see if I can replicate the results.AAC 5.56 NATO 77 GRAIN SIERRA MATCHKING HPBT W/CANNELURE 20RD. $14.99. 32% OFF. AAC. Buy at Palmetto State Armory. The 5.56 77GR Sierra MatchKing® HPBT Ammunition from AAC delivers superior performance when you need it most. Sierra MatchKing 77gr Hollow Point Boat Tail Projectile:Dec 23, 2022 · The 14.5" was 1:7 and the 22" is 1:9. I'd have to find the barrel profile for the 14.5" but the 22" is just a standard "sporter" profile. They do guarantee sub MOA from the TC compass's 5R rifling with 3 shot groups. The ORXY Chassis is likely helping out as well too. [ARCHIVED THREAD] - AAC, 5.56x45mm, 75gr BTHP Review.It shoots 77 grain .223/5.56 like a dream. But upon investigation I found out that all ammo in .223/5.56 in 77 grains seems to be match type ammo. Meaning it might have a small hollow point, but the hollow point in match ammo is not meant for hunting. I honestly cannot find a manufacturer that makes "hunting" hollow point (or polymer tip ...The .223 (.224) 77GR Open Tip Match (OTM) Projectile is the next BIG offering from AAC! This projectile can be used with both .223 and 5.56 brass and delivers superior performance when you need it most. Designed for use in various applications and manufactured through an advanced research, design, and engineering process with state-of-the-art ...SIG Sauer Marksman Elite 5.56 NATO Ammo 77 Grain OTM 20 Rounds [FC-798681639267] SIG Sauer Marksman Elite 5.56 NATO Ammo 77 Grain OTM 20 Rounds [FC-798681639267] SIG Sauer Marksman Elite 5.56 NATO Ammo 77 Grain OTM 20 Rounds [FC-798681639267] SIG Sauer. $0.00. IN STOCK Current Stock: Out of Stock ...Magtech First Defense Tactical 5.56x45mm NATO Ammo 77 Grain Sierra GameKing Jacketed Hollow Point Box of 50. Product #: 801254. Manufacturer #: 556C. UPC #: 754908201815. ( 4) Write a Review Q&A (1) Our Price:A 10-shot group of the 2023 lot of the Black Hills 5.56mm 77 grain Tipped MatchKing ammunition fired from the same Lothar Walther barreled AR-15 used to test the 2016 lot, fired under the same conditions from a distance of 100 yards had an extreme spread of 0.86” and a mean radius of 0.24”. I’ll be posting chronograph data for the 2023 ...Thanks for pointing me to the ramshot data. I've loaded the Bergers to 21.9g of 2230 and gotten ~.7 moa with no signs of pressure on primers or ejector marks....its a 556 load for sure and they list min as 21.3 and max of 23.7 for the Sierra 77 SMK so I expect I have about a grain before I would likely see signs of pressure based on same weight and roughly similar bullet shape.Feb 13, 2020 · One notable difference between 5.56 and 300 BLK is bullet weight. The “standard” 5.56 NATO projectile weighs somewhere between 55 and 77 grains. The most common supersonic 300 BLK loads use 110- or 125-gr. bullets. The subsonic version normally packs 220-gr. projectiles. This creates a tradeoff.Bullet Weight: 77gr. Bullet Ballistic Coefficient: .362 G1. Casing: AAC Brass-Boxer Primed, Fully Reloadable. Caliber: 5.56 NATO. Quantity: 20. Velocity: 2700 FPS. FEATURES. The 5.56 77GR Open Tip Match (OTM) Ammunition from AAC delivers superior performance when you need it most. Designed for use in a variety of applications and manufactured ...Testing some AAC 77 grain 5.56 out of a 16” Aero Precision rifle equipped with a Dead Air Sandman S & Vortex optic.Northwest grain growers play a crucial role in the economy of local communities. They not only contribute to the region’s agricultural sector, but also have a significant impact on...Black Hills 5.56mm NATO Ammo 77 Grain OTM - D556N9 Black Hills 5.56mm NATO Ammo 77 Grain OTM ammo for sale online at cheap discount prices with free shipping available on bulk 5.56 NATO ammunition only at our online store TargetSportsUSA.com. Target Sports USA carries the entire line of Black Hills ammunition for sale online with free shipping on bulk ammo including this Black Hills 5.56mm ...The quintessential 77-grain 5.56 load is the Black Hills MK262 Mod 1. However, it can be hard to find and fairly expensive when it is available. Other manufacturers produce similar loads but the prices tend to be north of $1/round. AAC currently has their 77-grain load listed at $14.99 for a 20-round box. That is a very competitive price for ...Daily Deals. My Account. Help Center. In stock. AAC 5.56 NATO Ammo 77 Grain OTM 20rds. In stock. AAC 5.56 NATO Ammo 77 Grain OTM 20rds. $12.49$0.62.AAC 5.56 NATO 77 Grain OTM Shell Shock Ammo 250rd With AAC Blue 30 Cal Ammo Canon sale for $224.99. Deal posted by users for dealer palmettostatearmory.comThanks for pointing me to the ramshot data. I've loaded the Bergers to 21.9g of 2230 and gotten ~.7 moa with no signs of pressure on primers or ejector marks....its a 556 load for sure and they list min as 21.3 and max of 23.7 for the Sierra 77 SMK so I expect I have about a grain before I would likely see signs of pressure based on same weight and roughly similar bullet shape.It shoots well out of my guns. I've shot a co, 4:30 pm October 22, 2014. At the range testing the new 77gr TMK. Today's AR15 H, Jun 21, 2020 · MK262 Mod 1 is loaded in WCC 5.56mm brass and uses a cannelured versi, The AAC groups were 10 shots each. Each shot was made with 1 second and one breath between shots. This was, Black Hills' three 77 grain (5 g) 5.56mm ammo. The Mk262 military load on the left. The, (links below) AAC is the NEW guy on the block. Many are , AAC556TSX1-20. Price Per Round. $1.00. Caliber. 5.56x45mm. Notify Me When Back in Stock. Add , Gold Medal Sierra MatchKing 223 Rem 77 Grain. Part # GM2, The AAC 5.56 NATO 55 GRAIN V-MAX W/ CANNELURE 20RD B, Our CEO takes the new AAC 77gr OTM out to 1,000 yards t, May 11, 2012. #1. Since Black Hills "declassifi, Push that .224-caliber 77-grain Match King BTHP fast-enough , r/ammo. r/ammo. Join. This is a community for discussion about amm, The 75 was good, wouldn't quite call it match am, I switched to RL15 and picked up alot more velocity, im already much , Yes. IMI "Razor Core" 77 Grain OTM, LR, Mod 1. Th, Bullet Type: Sierra MatchKing® Hollow Point Boat Ta, Item Total: (16) 0 - 16. 22 Caliber .224 Diameter 77 Grain HP Boat T.