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Topic: Ported barrel

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	GunBarrelStore.com: - Barrels: Heckler & Koch
		EFK HK USP Full-Size 45 ACP Ported Barrel
		EFK HK USP Full-Size 40 S&W Ported Barrel
		EFK HK USP Full-Size 400 Corbon Ported Barrel
	www.gunbarrelstore.com /Items-1859-1-barrels_hk.aspx (65 words)

	Barrel /Range Theory
		The prepuce of porting a barrel is not to make the ball spin but to let air in front and behind the ball to escape so the ball can move freely down and out the barrel.
		The prepuce of the rifled barrels is very similar to the ported barrel an that it help the air pressure in front and behind the ball.
		but the rifled barrel also helps the ball move a little fast out of the barrel because with the groves on the inside there is lest surface area for the ball to rub up ageist.
	www.vmempire.com /brtheory.htm (463 words)

	Barrels
		Really a barrel is composed of two parts on most modern barrels, the unported portion and the ported portion.
		Porting is simply the holes in the barrel other than where the ball goes in and out.
		Once you have a barrel in the acceptable length ranges, from a reputable manufacturer, the next important thing is the diameter of the barrel in relationship to the size of the paintballs you are shooting.
	members.cox.net /gozebras/paintball/barrels.html (1612 words)

	Finding the right barrel for your gun
		The idea behind using two materials in constructing the two-piece barrel is to give the paintball the advantage of lower friction upon initial acceleration by using stainless steel and then using a ported aluminum tip to decrease the overall weight and muffle the guns sound output.
		Portings main role is to reduce overall noise levels by venting excess air pressure behind a paintball before the paintball leaves the barrel.
		As air escapes through the ports, instead of continuing to push the ball down the barrel, it vents air to the outside increasing the amount of air needed to accelerate a paintball to 300fps, thus reducing gas efficiency.
	www.directpaintball.com /article_paintball-gun-barrel.html (1464 words)

	Ebang--Magazines-Clips Auctions
		Sig Sauer P239.357 Ported Pistol barrel P 239.40
		Sig Sauer P239.40 Ported Pistol barrel P 239.357
		Sig Sauer P239 9mm Ported Pistol barrel P 239 fire
	www.ebang.com /auctions/magazines-clips (342 words)

	portedbarrels
		All ported barrels are 1" longer than stock length, and include a high tech dual-port design that substantially reduces muzzle rise by re-directing gas pressures in an upward direction.
		All ported barrels are drop-in and ready to use with an oversized lock up area that produces greater shot to shot accuracy.
		Glock 27,.357 Sig ported barrel - Drop in conversion from.40 to.357 sig
	www.ftfindustries.com /ported_barrels.htm (114 words)

	Barrels - F.A.Q.
		Porting in a barrel can be a good thing and a bad thing.
		Be warned, a heavily ported barrel may cause your marker to be a gas hog.
		The purpose of porting is this, when you fire a paintball, the gas you are using wants to expand as quickly as possible.
	www.ottersccustoms.com /barrels.html (2401 words)

	Automags.Org Online Forums - A ported barrel/ length question
		Been thinking about this for a while and have read that at the very first port of the barrel you lose all pressure behind the paintball (the same as you would at the end of the barrel with out porting).
		As the ball passes across the ports some pressure is lost, however the full extent of the 100 psiwould not be lost becross 100% of the porting (to include the end of the barrel once the paint leaves it) has not been passed.
		A slightly ported barrel may still have a bit of pressure behind the ball after it reaches the porting.
	www.automags.org /forums/showthread.php?t=126924 (4668 words)

	Real Guns - Dragon Breath? No, Fire Dragon....EFK Fire Dragon Barrels
		I did have a 357 SIG barrel for my P229, unfortunately, I treated it to inserts and other tong and hammer rework until it became the launching pad for the 17-357 RG....which in retrospect should have called something like the Valkyrie Avenger, a name that would have commanded more respect from friends and associates.
		I believe the slide moving to battery and catching on the barrel hood corner was driving the barrel into the front side of the slides ejection port, raising the burr at the leading edge of the chamber area and preventing normal lock up.
		I checked the EFK barrel in a vise and beveled the sides of the barrel hood to match the SIG barrel examples I had on hand.
	www.realguns.com /archives/105.htm (2047 words)

	Ported Barrel Punch [PGPTP1] - $11.00 : Shootin Accessories, Online Store For Shotgunners
		Home :: PRODUCTS :: Punches :: Ported Barrel Punch
		Handy punch to clean the crud out of those pesky little holes in the muzzle of your barrel.
		A must item for all guns with round barrel ports.
	www.shotgunsportsmagazine.com /store/index.php?main_page=product_info&products_id=143 (96 words)

	AllGlock.com: All Glock, All The Time - Barrels: EFK: Premium match grade replacement barrels for
		AllGlock.com: All Glock, All The Time - Barrels: EFK: Premium match grade replacement barrels for
		AllGlock.com : Barrels: EFK: Premium match grade replacement barrels for
		EFK GLOCK 17L (EXTENDED IN 17, 34) PORTED BARREL
	www.allglock.com /Items-227-1-glockefk.aspx (34 words)

	XDPistols.com: EFK XD Tactical 40 S&W Ported Barrel
		XDPistols.com : Barrels & Choke Tubes : EFK : EFK XD Tactical 40 S&W Ported Barrel
		EFK XD Service 357 Sig Conversion Ported Barrel
		EFK XD Tactical 357 Sig Conversion Ported Barrel
	www.xdpistols.com /item.aspx?PID=52361 (87 words)

	SRT Selecting a suppressor
		Many ported barrel guns lose so much bullet velocity from poorly designed porting, that you may be better off with a Crossman pellet rifle for serious pest removal applications.
		This means a threaded barrel is required either for the can to screw directly on to the barrel, or to screw on a quick attach coupling device for the suppressor.
		barrel threading services at a reasonble price, which ranges from $50 to $125 depending on the complexity of the job, and whether or not a thread protector must be supplied to cover the threads when the suppressor is not on the firearm.
	www.srtarms.com /selecting.htm (2375 words)

	Stoeger Supreme Ported Barrel - Benelli USA Forums
		Cleaning ports is one of the big drawbacks to ported barrels.
		As far as having a ported barrel and the inherent issues with it, I will just have to learn how to deal with them.
		does anyone know if there are any ported tubes for condor supreme, or should i get the barrells ported, i want to reduce recoil a little and i was looking for something i could use for skeet and sporting clays.
	www.benelliusa.com /forum/showthread.php?p=60850 (625 words)

	A 0.5 inch longer ported barrel for Kahr K40? - THR (Site not responding. Last check: )
		I am not sure I like the idea of ported barrel so much - the recoil/flip may not be so bad as to trade them against the blinding effect.
		The idea is the same: to retain the ballistic performance of the 'standard' length barrel while gaining a slightly more compact package and reduced felt recoil/muzzle flip.
		I tried it with several different recoil-operated semiautos and the major factors in how much force was necessary to do it seemed to be the angle at which the force was applied, the relative tightness of the barrel lock-up, and the strength of the recoil spring.
	www.thehighroad.org /showthread.php?p=3000162 (830 words)

	Star Lakes Farm & Tack
		Working primarily off the tongue and bars, the ported comfort snaffle is useful for bending and balancing the beginning horse.
		USAGE: The Myler Hinged High Port Bristol Barrel mouthpiece is an excellent bit to move up from the snaffle.
		USAGE: The Myler Correctional Low Ported Barrel offers a "comfort zone" when the horse is relaxed at the poll.
	www.starlakefarm.com /bitsmylar.html (727 words)

	Steve Rippe's LAPCO Review (Site not responding. Last check: )
		A similar problem was noticed with the Autospirit barrel when the barrel and the marker were stored in different areas.
		Anodized fl, the barrel is very nicely finished with porting at the end for muzzle breaking.
		The last inch of the barrel, also called a Laminar Flow Chamber, has a larger inside diameter and is there to straighten out the ball's path before it leaves the barrel.
	www.stinggroup.addr.com /reviews/rippelap.html (716 words)

	SBS/AOW
		Short-Barreled Shotgun (SBS) - Any shotgun that was originally equipped with a shoulder stock, but has a barrel less than 18" in length (as measured from the face of the closed bolt to the end of the permanent muzzle) or an overall length less than 26".
		Also included are handguns with smooth bore barrels less than 18" in length and intended to fire shotgun shells; and combination rifle/shotguns with barrels over 12" but under 18", provided each chamber is single shot and must be manually reloaded.
		Such guns, if shortened to less than 26" overall or fitted with a barrel under 18", must be registered as an SBS, which means the $200 transfer tax must be paid by the buyer.
	www.paladinarmory.com /SBSAOW.htm (588 words)

	norecoil Fire Dragon Pacific National Shooting recoil buffers, comp. barrels
		Barrels are bored and rifled using ECM process (electro-chemical machining).
		All barrels listed on the barrel page are also available in standard length or extended length.
		This is a special Match Compensated barrel with the outside deminsions of a 40 or 357 sig pistol as applicable and chambered for the 9mm round.
	www.norecoil.com (687 words)

	Hammerhead Paintball Barrels and Accessories. Rifled Paintball Barrels
		barrel is the most advanced paintball barrel in the industry today.
		Each barrel is carefully milled, micro-honed and polished to ensure these tolerances do not deviate from our engineering parameters.
		We invite you to test our barrel against the current line of competitors, and discover for yourself why we believe this barrel will be the last one you'll buy.
	www.hammerheadpaintball.com /barrels.html (824 words)

	OutdoorsBest Forums: Ported barrels/ported extended chokes
		Yes, there is a chance of getting dirt or debris in the barrel; As there is in any guns barrel or action with an opening, slot, or port, esp. when hunting in heavy cover.
		I've noticed a trend in new O/U having ported barrels and/or extended screw in chokes...some I've seen that are ported as well...what's the story with the porting?.........................is this a marketing gimmick or does the porting fill a niche?
		Yes, the ports on Rhino, Comp-N-Choke, Briley and AnglePort tubes act as a break on the shot cup(WAD) and help seperate the shot and wad for more uniform shot dispersion and better patterns.
	outdoorsbest.zeroforum.com /zerothread?id=579263&postid=7017955 (1121 words)

	What Barrel Should I Use Now
		There shouldn’t be any sort of porting in this barrel so that you maintain a consistent muzzle velocity when you’re down near bunkers and walls when you’re firing.
		If it is gloss, you’ll want to get a barrel that is ported so that the barrel doesn’t have such a solid gleam.
		If a ball ever breaks in a ported barrel in the desert, sand is going to get in that paint and cause even more breaks, as well as ball spin in one direction.
	www.splatdogs.net /whbashiuseno.html (519 words)

	Browning Hi-Power Barrel, Shooting Supplies, Brand Not Specified at Sportsman's Guide
		Most Barrels are drop-in with no gunsmithing required, however, 1911 barrels often require minor fitting.
		Standard Length Barrels: built to the same profile as factory barrels.
		They are standard diameter with 2 ports milled in, facing upward at the muzzle.
	www.sportsmansguide.com /cb/cb.asp?a=278675 (327 words)

	Barrels (Site not responding. Last check: )
		Spiral ported front now features a flush-fit collar that syncs up with the back for a seamless look.
		Very Similar to the Boomstick, 2 piece barrel with interchangeable front tips to adjust the length, also available in different bore sizes.
		Made for larger paint, this barrel is of the same quality as the Autospirit.
	www.hogansalleypaintball.com /Accessories___Custom/Barrels/body_barrels.html (475 words)

	RB's Treasures: Glock 32 National Match Barrel Ported & Standard.
		Barrels are bored are rifled using EDM process (electrostatic discharge machine).
		The end result is a good looking, top quality barrel with consistent, accurate and long lasting performance.
		Our barrels drop in, but due to the very high tolerances held by our machining standards, some fitting may be required on a small percentage of them.
	www.rb-treasures.com /a/Glock_32_Barrels.htm (307 words)

	Stock-Class Paintball Network - Armson LTD. Barrel Review
		Armson was the first company to make “spiral” riffling work for paintball barrels, and as a result was one of the most highly sought after barrels in the early and mid nineties.
		A quick fix was simply adding an o-ring to the barrel base, this created a small gap between the receiver and the barrel, but not enough to create sealing problems or effect the paintball as it traveled, in my novice observations.
		With the CMI Thunder-pig True flight, a barrel I’ve used almost exclusively for at least a year and a half and am very familiar with (thus should have an advantage over the others), I hit four of four shots in a six inch group, and three of four shots in a three inch group.
	www.stockclasspaintball.com /articles/reviews/armsonreview.shtml (1222 words)

	The HuntingPA.com Outdoor Community: ported barrels (Site not responding. Last check: )
		Ported barrels have holes, or ports, drilled in them, which help reduce recoil, and also reduce muzzle jump.
		A side effect is that many ported or muzzle brake systems greatly increase the volume of the fire, definitely want to have double hearing protection!
		Muzzle breaks definitely reduce recoil on rifles.I have one on a 300mag and it definitely reduced the recoil.However as far as ported barrels on shotguns I haven't seen any real difference in recoil.I have an 835 with a ported barrel and it still pounds my shoulder.
	www.huntingpa.com /ubbthreads/showflat.php?Number=563536&page=0 (320 words)

	Ported barrel and lead bullets? - TheFiringLine Forums
		I have been hit in the face by stuff with a ported barrel firing jacketed bullets.
		I have owned two ported models in the past, a SandW.45ACP Performance Edition revolver with a screw on and ported compensator and a Taurus.357 with more traditional ports.
		The bullet moving down the longer barrel, well heated up by rapid fire, leaves a lot of lead/powder residue caught in the Cutts vents.
	thefiringline.com /forums/showthread.php?p=2251630#post2251630 (1727 words)

	Gunboards - WTS CZ52 Ported barrel $80.00 shpd. SOLD (Site not responding. Last check: )
		Gunboards - WTS CZ52 Ported barrel $80.00 shpd.
		I sold the gun with it's original barrel and I have this left.
		On another board, he mentioned it was a 7.62x25 barrel.
	www.gunboards.com /forums/topic.asp?TOPIC_ID=189542 (348 words)

	Mossberg Shotgun Barrels
		All barrels are factory manufactured by the gun manufacturer, not aftermarket barrels made by some outside company to fit the original shotgun.
		Mossberg® 500® and Maverick™ 88™ barrels are interchangeable within gauge and capacity.
		Mossberg 500 and Maverick 88 barrels are interchangeable if you keep the gauge and capacity the same.
	www.tjgeneralstore.com /moss-bbl.htm (1034 words)

	The Gun Zone -- A Glock First (Site not responding. Last check: )
		This model, designated 17L, was said to have a six-inch ported barrel, adjustable sights, a 3.5-pound trigger pull, and an extended magazine release.
		Glock's Jack Riddle told us that the ported barrel caused problems like loss of velocity with certain types of ammunition, and fouling of the front sight1.
		While it may true that specifications change from time to time, we believe that since Glock went to some expense and effort to publicize the ported piece, they could have at least made an effort to inform consumers of the change.
	www.thegunzone.com /glock/glock_first.html (651 words)

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