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458 socom vs 556 - 31 Okt 2019 ... 5.56 still wins for being more cost-efficient, but, at 10 rounds each, .458 packs

Although the 6.8 fires heavier bullets, both the 5.56 and 6.8 SPC have the same maximum ov

This video is about 300gr 458 socom going 1750 fps vs ballistic gel human head to see to see destructive it can be.The .458 SOCOM cartridge offers the practical ballistics of the legendary .45-70 in a modern AR platform rifle and is capable of firing 250 to 600 grain .458 caliber bullets in a lightweight, controllable package. For hunting medium to large game, bullets in the 250 grain– 400 grain weight range possess devastating killing power. We have ...Jul 24, 2019 · I know the 458 socom’s success (as a niche) is 2 fold – first it’s shouldered (which isn’t an option in those straight-walled states it’s marketed in). And second it uses a rifle vs pistol bullet. No disrespect to the pistol shooting straight walled options. But this is odd. Other 223 babies had one thing in common – cheap formable ... So, it’s velocity is almost twice that of the .458 SOCOM round, but the bigger and heavier bullet of the .458 SOCOM delivers significantly more muzzle energy than the standard 5.56 NATO AR round:the .458 SOCOM round generates close to 2400 foot-pounds of muzzle energy as opposed to the 5.56 NATO’s 1200 foot-pounds of muzzle energy. Big bore rounds like .458 SOCOM, .50 Beowulf, and other large-bore calibers may have thread pitches that vary from manufacturer to manufacturer. Consult with your rifle or barrel manufacturer for the thread pitch on your barrel. 5.56/.223 – …Caliber Comparison: Understanding the Difference Between 308 and 5.56 The .308 Winchester (.308 Win) and 5.56 NATO rounds are two of the most popular centerfire rifle cartridges in the United States and across North America. Both cartridges are battle-proven and currently in service with the U.S. Military and its NATO allies. The 308 vs 556 debate …300 Blackout vs 458 Socom Comparison. The .458 SOCOM is another intermediate cartridge that was designed for use in AR-15 style rifles. It was developed by a group of special operations veterans who were looking for a round that could offer better performance than the standard .223 Remington/556 NATO cartridges.The primary differences between 458 SOCOM vs 556 is bullet diameter each cartridge fires and the intended engagement ranges. The 458 SOCOM fires a 0.458” diameter bullet that is intended for close-range engagements while the 5.56 fires a 0.224” diameter bullet that excels at long-range shots. Product Info for SilencerCo ASR Muzzle Brake. This 3-port muzzle brake is compatible with all SilencerCo ASR Mounts and with multiple thread and caliber options, you can shoot suppressed for any demand. It offers quick and easy one-hand-on, one-hand-off attachment and detachment. The 3-port design effectively reduces felt recoil and muzzle climb.The effective range of the .458 Socom is around 140-150 yards, which is significantly less than the effective range of the 5.56 NATO which is about 218-273 yards. The .458 Socom is ideal for close-range use since it doesn’t matter if a bullet is larger and more powerful if it can’t hit your target at its full power.Mar 30, 2023 · The general purpose of developing the 458 SOCOM was to create a round that was completely compatible with the M4 Carbine but have more stopping power than the 5.56 NATO. The 458 SOCOM in its final form is a lengthened .50 AE case. Even the original prototypes bore the .50 AE headstamp which caused confusion initially because the case is longer ... 2 models Radical Firearms Complete Upper Assembly 16in 458 SOCOM w/ Panzer Brake (3) As Low As (Save Up to $31.00) $588.95. Radical Firearms 10.5 in. 458 SOCOM Upper Assembly (2) $619.95 (Save $31.00) $588.95. CMMG Resolute 100 MK4 .350 Legend Upper Receiver $699.99.The general purpose of developing the 458 SOCOM was to create a round that was completely compatible with the M4 Carbine but have more stopping power than the 5.56 NATO. The 458 SOCOM in its final form is a lengthened .50 AE case. Even the original prototypes bore the .50 AE headstamp which caused confusion initially because the case …Full Auto .458 SOCOM!!!http://http://www.facebook.com/topshotdustinhttp://www.twitter.com/topshotdustinhttp://www.topshotdustin.comThat gives it an overall length of about 2.25 inches, so the length is close to the 450. The big difference here is the bullet diameter. A .450 Bushmaster is .452 inches while the .350 Legend is only about .3570 inches, which makes it more comparable to a .223 Remington.Faxon 556 Nitride Bolt Carrier Group $ 145.00 $ 109.99 Add to cart. Sale! Faxon 6.5 Grendel Type II Nitride Bolt Carrier Group $ 165.00 $ 140.00 Add to cart. ... Toolcraft 458 SOCOM Nickel Boron BCG $ 219.99 $ 109.99 Add to cart. Sale! Toolcraft 5.56 / 223 Chrome Phosphate Bolt Carrier Group $ 88.99 Select options.That gives it an overall length of about 2.25 inches, so the length is close to the 450. The big difference here is the bullet diameter. A .450 Bushmaster is .452 inches while the .350 Legend is only about .3570 inches, which makes it more comparable to a .223 Remington.A comparison of the .458 Socom and 5.56 cartridges, two powerful rounds for AR-15 rifles. Learn the pros and cons of each, the ballistics, the range, the cost, and …I've always wanted to know how many hits steel can take from this BRUTAL bullet. The most awesome Demolition Ranch shirts and hats here! http://www.ranchmer...SALE CPD Duramag SS AR-15 .458 SOCOM 10 Round Magazine $ 19.99 $ 16.99. Hexmag Series 2 AR-15 .223/5.56 15/30 Round Magazine $ 11.99. CMMG MkW-15 .458 SOCOM 10 Round ...Today on Kentucky Ballistics we have some fun in the snow with the CMMG MkW-15 Anvil .458 SOCOM! I hope you enjoy the video and thanks for watching! CHECK OUT PEW PEW TACTICAL! - A special thanks to Underwood Ammo! Please support Kentucky Ballistics on Patreon! Please like and subscribe! Check out Kentucky Ballistics Clothing!Sharps Bros. AR-15 Billet Stripped Upper Receiver w/Forward Assist $204.95 (Save $10.25) $194.70 5% Bonus Bucks. 2 models Aero Precision AR15 XL Assembled Upper Receiver As Low As (Save Up to 24%) $99.44. 2 models Radical Firearms Complete Upper Assembly 16in 458 SOCOM w/ Panzer Brake (3) $619.95 (Save $31.00) $588.95.If you are looking for the best 458 Socum Upper on the market, look no further than the GLFA AR-15 Complete Upper .458 Socom (best overall). The barrel on this 458 Socom resists wear, giving it a longer lifespan than others in the category. It also has an included muzzle brake for recoil reduction, which can outweigh the need for a modified ...The ammunition for this cartridge is not as widely available as for other cartridges, and it tends to be more expensive, with prices ranging from $1.50 to $5.00 per round. Here are some quick facts about SOCOM Ammo. The .458 SOCOM (Special Operations Command) is a rifle cartridge designed for the AR-15 platform.١٧ رمضان ١٤٣٧ هـ ... 458 SOCOM is a big-game cartridge capable of taking anything that walks in North America. Compared to the .223 Rem., the Alexander Arms .50 ...With the AR platform coming in many heavier calibers such 7.62X39, .300 AAC, .224 Valkyrie, .458 SOCOM and the .50 Beowulf, an extra heavy buffer is recommended. The H3, as well as HSS and XHfit the bill on these builds. HSS – 6.5oz. XH – 8.5oz. Pistol Caliber Builds – 5.0 oz. – 8.5 oz.Wilson Combat .458 SOCOM Build Kit, 14.7″ Recon SR Barrel – $549.95. Wilson Combat Muzzle Brake Blast Diverter – $64.95. More .458 SOCOM stories >>>. UPDATE: We add the Liberty Suppressors Goliath Silencer …If you own an AR-15 or similar modern sporting rifle, it comes down between the 450 Bushmaster vs 458 SOCOM. How do these powerful rounds measure up?The 458 is in the AR15 platform. As mentioned, the upper port needs to be opened you can just see in my pic the forward portion of the port. My lower just happens to be from RRA because I wanted the caliber marked as 458 SOCOM rather than the Multi that all of mine are. BigBore and TonyRumore here are the authorities on the 458 SOCOM and are ...The primary differences between 458 SOCOM vs 556 is bullet diameter each cartridge fires and the intended engagement ranges. The 458 SOCOM fires a 0.458" diameter bullet that is intended for close-range engagements while the 5.56 fires a 0.224" diameter bullet that excels at long-range shots. A Note on NomenclatureOct 25, 2018 · How to modify a standard mil-spec 5.56 magazine with minimal effort to be used on a 458 Socom AR-15. Convert your AR platform rifle into a hog eradicating machine with the GLFA .458 SOCOM Complete Upper Receiver Assembly! Starting with an A3 flattop upper receiver that has M4 feed ramps, they added their 16" chrome moly vanadium .458 SOCOM barrel with a GLFA Big Bore Muzzle Brake. It features a 15" freefloat M-LOK compatible handguard …The 458 SOCOM offers significantly more power than the standard 223 Remington /556 NATO cartridge, but is still manageable in an AR-15 platform rifle. It is also much quieter than larger cartridges like the 50 BMG, making it a good choice for tactical applications where stealth is important.A heavy or “H” buffer is used to slow the rate at which the bolt carrier group travels to the rear. An H2 Buffer (4.6-4.7 oz) is commonly found in AR pistols that use a carbine buffer tube. The H3 is made for those bigger “badder” cartridges like .458 SOCOM or 50 Beowulf that still use a carbine buffer tube.A comparison of the .458 Socom and 5.56 cartridges, two powerful rounds for AR-15 rifles. Learn the pros and cons of each, the ballistics, the range, the cost, and the suitability for hunting and tactical applications.If you’re thinking hunting, cartridges like the .450 bushmaster, .458 SOCOM, and .45-70 Gov’t, and the newer .350 Legend are good options. For handguns, your two biggest, and most common contenders are the .45 ACP which is already subsonic, and the 9mm. Although your bargain box of 9mm ammunition is typically 115 grain and …The 458 SOCOM is a relatively new caliber that was designed for use in AR-15 rifles. It is a very powerful round that is capable of taking down large game animals. The downside to the 458 SOCOM is that it can be difficult to find ammunition for it, and it can be expensive. The 308 is a classic caliber that has been around for many years.FYI, 4 rounds in 10 rd mag, 7 rounds in 20 rd mag & 10 rds in a 30 rd mag. 450 Bushmaster though is designed to be run at full 2.250" length with the 250 gr FTX bullet and those will not work right in PMAGS. USGI mags should work fine but it will always depend on bullet type. I imagine using a XTP Mag bullet would probably work fine in PMAGs ...2.5K views 2 years ago. Holli tests the power between a spike’s tactical 458 socoM ,350 LGND and NATO 556 In Philadelphia with special guest , Ray from Big Bore Tactical.This video is about 300gr 458 socom going 1750 fps vs ballistic gel human head to see to see destructive it can be.The .458 SOCOM treads hard on its heels, but with a flatter (albeit still arcing) trajectory. Accuracy results are the average of four, five-shot groups, over a Sinclair shooting rest, at 50 yards. Velocity is the average of five shots, measured by a Labradar chrono, programmed to measure velocity 15 feet from the muzzle.The .50 Beowulf will show a slightly higher muzzle, but it losses its edge after some use. After recording the difference between .458 Socom vs. the .50 Beowulf at 100 to 200 yards, the .50 Beowulf emerged with a higher velocity. However, the difference does not surpass 100ft. Lb, the difference is therefore insignificant.GUNSTOCK 2023 - (DFW Range Event!) [ARCHIVED THREAD] - So, does 458 Socom use standard 5.56mm bolt? I looked in the FAQs and never found this …450 Bushmaster vs 458 SOCOM vs 50 Beowulf: Battle Of The Big Bore AR Cartridges. 458 Win Mag vs 458 Lott: What You Know May Be Wrong.450 Marlin: Everything You Need To Know. The Lyman 50th Edition (p352-360) and Hornady 10th Edition (p754-761) reloading manuals were used as references for this article. Enjoy this article on the .45-70 …The .458 SOCOM is a large round designed to increase the power of an AR-15 over the standard 5.56x45mm NATO round. Any .458 SOCOM upper receiver will fit over a traditional 5.56 lower receiver. This means that if you already own a 5.56 AR-15, you don’t have to get a new rifle to swap for a .458 model.Capitol Armory (See Price) Brownells (See Price) 3. Surefire SOCOM556 RC2. We’re back at a pure 5.56 suppressor with an impressive pedigree. The original Surefire 556 RC and 762 RC suppressors were both tested and approved for use by the United States Special Operations Command, aka SOCOM.The .50 Beowulf and .458 SOCOM use a .50AE parent case and are almost similar in overall length and case capacity. However, the .50 Beowulf is a straight case, the .458 SOCOM uses a slightly bottlenecked case design. The .50 Beowulf uses a slightly larger diameter bullet of .500 inches, whereas the .458 SOCOM uses a 0.458-inch diameter bullet.Holli tests the power between a spike’s tactical 458 socoM ,350 LGND and NATO 556 In Philadelphia with special guest , Ray from Big Bore Tactical Ig- @Ran...Yes, you can use it provided you open the ejection port up to about .620" (5/8") wide. Tony. Posted: 5/5/2010 9:44:37 AM EDT. [#2] You can use it; but as tony said it needs to be opened up. It suffers from the same problem that the 50 does. Any standard upper can be used but the ejector port will need to be opened up.The primary differences between 458 SOCOM vs 556 is bullet diameter each cartridge fires and the intended engagement ranges. The 458 SOCOM fires a 0.458" diameter bullet that is intended for close-range engagements while the 5.56 fires a 0.224" diameter bullet that excels at long-range shots. A Note on Nomenclature... 5.56mm magazines and 3) It needed to be capable of firing at subsonic levels using suppressors. With lighter bullets (140-400 grains), it was seen that the ...Feb 2, 2016 · Big bore rounds like .458 SOCOM, .50 Beowulf, and other large-bore calibers may have thread pitches that vary from manufacturer to manufacturer. Consult with your rifle or barrel manufacturer for the thread pitch on your barrel. 5.56/.223 – 1/2×28.300 BLK – 5/8×24 Sharps Bros. AR-15 Billet Stripped Upper Receiver w/Forward Assist $204.95 (Save $10.25) $194.70 5% Bonus Bucks. 2 models Aero Precision AR15 XL Assembled Upper Receiver As Low As (Save Up to 24%) $99.44. 2 models Radical Firearms Complete Upper Assembly 16in 458 SOCOM w/ Panzer Brake (3) $619.95 (Save $31.00) $588.95. I've always wanted to know how many hits steel can take from this BRUTAL bullet. The most awesome Demolition Ranch shirts and hats here! http://www.ranchmer...224 Valkyrie uses a 6.8 bolt and the .375 Socom is the same as the .458 Socom. One thing 223 wylde isn't a caliber. It's a chambering. Also 458 socom is it's own bolt. 6.5creed is a 308win case necked down. Which would be ar10 platform not ar15. 458 is ar15 chambering. 6.5creed is a 308win case necked down.Holli tests the power between a spike’s tactical 458 socoM ,350 LGND and NATO 556 In Philadelphia with special guest , Ray from Big Bore Tactical Ig- @Ran... 10 Des 2020 ... 458 SOCOM .458 Socom next to 5.56 NATO. The .458 SOCOM round was initially designed for close-quarters battle (CQB) purposes. The cartridge ...Although the 6.8 fires heavier bullets, both the 5.56 and 6.8 SPC have the same maximum overall length of 2.26”. This is due to the design of the AR platform, as it can only handle cartridges 2.26” or shorter. The 6.8 SPC has a slightly shorter case length at 1.687” vs 1.76” for the 5.56.The primary differences between 458 SOCOM vs 556 is bullet diameter each cartridge fires and the intended engagement ranges. The 458 SOCOM fires a 0.458” …If you own an AR-15 or similar modern sporting rifle, it comes down between the 450 Bushmaster vs 458 SOCOM. How do these powerful rounds measure up?Capitol Armory (See Price) Brownells (See Price) 3. Surefire SOCOM556 RC2. We’re back at a pure 5.56 suppressor with an impressive pedigree. The original Surefire 556 RC and 762 RC suppressors were both tested and approved for use by the United States Special Operations Command, aka SOCOM.Rifle Recoil Table. For every action there is an equal and opposite reaction; that is one of the physical laws of our universe. This means that the momentum of a rifle's reaction will exactly equal the momentum of the bullet and powder gasses ejected from the barrel. In the shooting sports we call that reaction recoil or "kick."In the book (and in private discussions), members of TF Ranger and USSFOD-D comment on the apparent ineffectiveness of the 5.56 ... v=ykTfyrMiXps). shwat-videos ...Jul 17, 2020 · The large round was invented specifically as a short-range man stopper. A .458 upper can transform a rifle from a .223/5.56 target and self-defense rifle to a big bore, big game rifle. A Hornady ... We would like to show you a description here but the site won’t allow us.Full Auto .458 SOCOM!!!http://http://www.facebook.com/topshotdustinhttp://www.twitter.com/topshotdustinhttp://www.topshotdustin.com Sharps Bros. AR-15 Billet Stripped Upper Receiver w/Forward Assist $204.95 (Save $10.25) $194.70 5% Bonus Bucks. 2 models Aero Precision AR15 XL Assembled Upper Receiver As Low As (Save Up to 24%) $99.44. 2 models Radical Firearms Complete Upper Assembly 16in 458 SOCOM w/ Panzer Brake (3) $619.95 (Save $31.00) $588.95. As a deer hunting cartridge, .458 SOCOM ammo works well with a 300-grain bullet at 1800-2000 fps muzzle velocity and delivering 2250 foot pounds of energy. It does not have the higher muzzle velocity of most big game cartridges but the energy behind that larger .458-caliber bullet offers excellent penetration at close range.The .458 SOCOM round is running slightly higher than the Beowulf at around $1.90 to $2.10 per round. This is pretty typical for pricing between the two bullets. You’ll almost always see the SOCOM round around 5-10% more than the Beowulf and that’s due to the limited availability between the two.I too built a .458 SOCOM carbine . Caught a deal on a matched barrel and bolt. I didn’t think anything about it having M4 feed ramps. I bought a .458 upper to go with it, with the extra internal clearance cut before anodizing. When I function tested it the first time with live half-jacketed rounds I had the worst FTF jam I have ever experienced.Capitol Armory (See Price) Brownells (See Price) 3. Surefire SOCOM556 RC2. We’re back at a pure 5.56 suppressor with an impressive pedigree. The original Surefire 556 RC and 762 RC suppressors were both tested and approved for use by the United States Special Operations Command, aka SOCOM.Capitol Armory (See Price) Brownells (See Price) 3. Surefire SOCOM556 RC2. We’re back at a pure 5.56 suppressor with an impressive pedigree. The original Surefire 556 RC and 762 RC suppressors were both tested and approved for use by the United States Special Operations Command, aka SOCOM..458 SOCOM Barrel & Bolt Combo $ 335.00 – $ 505.00 Select options.458 1:10 Fast Twist – Barrel & Bolt Combo $ 455.00 Select options.458 SOCOM Barrel Only $ 275.00 – $ 435.00 Select options; Left Hand 458 SOCOM Upper Receiver and BCG $ 425.00 Read more.458 14″-16″ w/ Welded on Muzzle Brake – Barrel Only $ 420.00 Add to cartA comparison of the .458 Socom and 5.56 cartridges, two powerful rounds for AR-15 rifles. Learn the pros and cons of each, the ballistics, the range, the cost, and …GUNSTOCK 2023 - (DFW Range Event!) [ARCHIVED THREAD] - So, does 458 Socom use standard 5.56mm bolt? I looked in the FAQs and never found this answer! No. Different bolt face. No, it uses a bolt that has the bolt face enlarged to “.308” size, a special extractor, and modified ejector. If you want a .458 SOCOM bolt made correctly …Nov 1, 2014 · The expense, in my opinion, is not worth the performance. You can shoot more than 2-3 times as much .308 than .458 SOCOM for the dollar. 7.62x39 is many times cheaper than that. .223 falls in between both .30 cals at $0.40 to $0.50 per bullet, sometimes as cheap as $0.35 or $0.30 for FMJ. Cartridge specs The .458 SOCOM obviously uses a much larger bullet, with a diameter of 0.458" or 11.63 mm, as opposed to 0.223" or 5.56 mm in the typical/original AR-15 platform. The overall case length for the .458 SOCOM is 40mm, which is not that different from the 45mm case length of the .223 cartridge.Nov 16, 2022 458 SOCOM vs 556: Upping AR-15 Stopping Power Watch on For $20 off your next ammo purchase, go to https://ammo.com/youtube (a special deal for our viewers)! The standard AR-15 chambered in 5.56 …Jun 21, 2021 · The effective range of the .458 Socom is around 140-150 yards, which is significantly less than the effective range of the 5.56 NATO which is about 218-273 yards. The .458 Socom is ideal for close-range use since it doesn’t matter if a bullet is larger and more powerful if it can’t hit your target at its full power. GET YOUR CLOTHING HERE!!! - https://kentuckyballistics.com/The automatic weapons used in this video are registered machine guns that are legally owned by Fir...450 Bushmaster vs 458 SOCOM vs 50 Beowulf: Battle Of The Big Bore AR Cartridges. 458 Win Mag vs 458 Lott: What You Know May Be Wrong.450 Marlin: Everything You Need To Know. The Lyman 50th Edition (p352-360) and Hornady 10th Edition (p754-761) reloading manuals were used as references for this article. Enjoy this article on the .45-70 …The Hybrid 46 is a truly multi-caliber suppressor, designed for use with pistol calibers from 9mm to .45 Auto, and rifle calibers from 5.56mm to .45-70 GOV, and many in between including .458 SOCOM. It’s compatible with all Bravo and pistol accessories. The Hybrid 46 ships with a Bravo Piston Mount, 5/8 X 24 Bravo Direct Thread Mount, (2 ... The .458 SOCOM (11.63×40mm) is a moderately large round designed to work in an AR-15 platform. This is achieved by installing a 458 bolt and barrel. The 300-grain (19 g) round offers a supersonic muzzle velocity of …15 Mar 2019 ... 458 SOCOM, it is capable of pushing a 200-grain bullet at nearly ... 375 SOCOM and 5.56. The .375 SOCOM is basically a .458 SOCOM necked down ...Winchester M855 5.56 62 Grain FMJ Ammo, 500rds & 10 Magpul PMAG Gen 2 MOE 5.56x45 30rd Magazines. SAVE $53.00 When you add both! ... Load up on 5.56 Ammo right here at your source for buying ammo online. Shop with Palmetto State Armory Today!Accurate 2200 is the best powder for accuracy and velocity with RL 7 and RL 10 being good as well. Best all around caliber for AR 15 hands down. I own several other AR’s chambered in 300 BLK, 6.5 G, .458 SOCOM, and 5.56. I hand load for all of them and still consider the 6.8 to be the best all around.The .458 SOCOM was designed for the AR-15 platform and the .458 HAM’R is designed for a new, hybrid Wilson Combat .458 HAM'R Tactical Hunter AR, developed to be better-suited for the increase in ...Although the 6.8 fires heavier bullets, both the 5.56 and 6.8 SPC have the same maximum overall length of 2.26”. This is due to the design of the AR platform, as it can only handle cartridges 2.26” or shorter. The 6.8 SPC has a slightly shorter case length at 1.687” vs 1.76” for the 5.56. 224 Valkyrie: Should You Buy One? 450 Bushmaster vs 458 SOCOM vs 50 B, 458. +uses .458 rifle bullets, meaning better BC and availability. +500 gr, Aug 26, 2013 · The .458 SOCOM is standardized at 40mm (1.575 inch), A heavy or “H” buffer is used to slow the rate at which th, ١٠ رجب ١٤٤٤ هـ ... .458 Socom · 6.5-284 Norma .270 WSM .35 Whelen .303 Bri, Grab a performance 458 SOCOM AR rifle from Bear Creek Arsenal and start hunting with unmatched precis, Sharps Bros. AR-15 Billet Stripped Upper Receiver w/Forward Assist $, A .458 upper can transform a rifle from a .223/5.56 tar, The effective range of the .458 Socom is around 140-150 , May 5, 2023 · A heavy or “H” buffer is used to sl, Your 458 SOCOM AR 15 Upper Receiver will arrive turn-key and rea, .458 SOCOM vs 5.56. Additionally, the round needed , A15-M .458 SOCOM Complete Upper. $645.99 $545.99. , 458 SOCOM. Power and Recoil. The 458 SOCOM is known, Faxon 556 Nitride Bolt Carrier Group $ 145.00 $ 109.99 Add to , AR-15 .458 Socom 18" stainless upper assembly / 15" Mlok, I was shooting my custom 458 Socom Bolt Action. 16 In 1:8 Twist Ba, Although the 6.8 fires heavier bullets, both the 5.5.