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Topic: Bullet drop compensation

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	Bullet drop compensation -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-16)
		Bullet Drop Compensation (BDC) is a feature available on some (A shoulder firearm with a long barrel and a rifled bore) rifle scopes.
		The feature compensates for the effect of (A solemn and dignified feeling) gravity on the (A projectile that is fired from a gun) bullet at given distances.
		Bullet Drop Compensation is also available to accept changes in wind and elevation.
	www.absoluteastronomy.com /encyclopedia/B/Bu/Bullet_drop_compensation.htm (133 words)

	Patent 5960576: Range, bullet drop, and angle calculator for use with telescopic gun sights
		Thus, the drop chart 33 serves as a means, preferably on the second rule member 30, for determining a bullet drop value for the previously determined known distance.
		The user refers to the drop chart 33, but applies the corrected range of 230 yards to the drop chart 33 to determine the proper bullet drop value to be utilized in further calculation of the elevation adjustment.
		The elevation scale(s) and bullet drop scale, and/or the mildot scale and the target dimension scale, likewise may be switched between the respective rule members without departing from the spirit of the invention, and it is intended to cover in the appended claims such equivalent embodiments.
	www.freepatentsonline.com /5960576.html (12435 words)

	Patent 4397107: Bullet drop compensating scope mount
		A bullet drop compensating telescope mount having a front mounting ring pivotally mounted to the rifle and a rear mounting ring for vertically adjusting the telescope position therein by means of an adjusting screw having a thread pitch corresponding to a bullet weight to be fired from the rifle.
		A dial graduated in distance increments is attached to the adjusting screw, and a pair of positioning pads limit lateral movement of the telescope in the rear mount.
		By selecting the proper pitch, compensation may be effected for various weight bullets, for example for bullets from 55 grams as might be used with a 0.22 calibre rifle to 180 grams as might be used with a 0.308 Winchester.
	www.freepatentsonline.com /4397107.html (2102 words)

	ATN Scope :: FREE SHIPPING :: (Site not responding. Last check: 2007-10-16)
		All of the professional lit-reticle ATN rifle scopes have a built in adjustment that compensates for bullet drop.
		The elevation dial is calibrated for bullet drop in increments from 100 yards to 100
		Bullet drop compensation is only possible for certain caliber's, with specific weights and muzzle velocity:
	www.centuriontactical.com /rifle-scope-atn.htm (623 words)

	FAQ
		At 1000 yds, the bullet impact would be 7 inches higher due to the longer flight time with the higher bullet impact becoming questionable for a guaranteed kill in some shooting/hunting applications.
		The disadvantages of utilizing Mil Dots as aiming points for bullet drop compensation are as follows: The limited number of Mil Dots having to be utilized as aiming points for so many yardage increments creates the problem of so many different holds on your target.
		Utilizing a TTC as the means of bullet drop compensation gives you the ability to use the fine aiming point of a crosshair which covers up very little of the target.
	www.kentonindustries.com /faq (5981 words)

	Dictionary of Meaning www.mauspfeil.net (Site not responding. Last check: 2007-10-16)
		'''Bullet Drop Compensation''' (BDC) is a feature available on some rifle rifle scope scopes.
		There is a dial on most scopes that allows the user to turn it by single "clicks" (usually adjusting deflection or drop in increments of minute of arc minutes of arc or '''MOA''') for current conditions.
		There you find a list of all editors and the possibility to edit the original text of the article Bullet drop compensation.
	www.mauspfeil.net /Bullet_drop_compensation.html (151 words)

	ballistic coeffecient (Site not responding. Last check: 2007-10-16)
		This scale, commonly called a "cam" or bullet drop compensator, is calibrated in yards and specifically tuned to a given combination of rifle and bullet.
		The BDC is an immense aid in attaining pinpoint accuracy, although at the expense of time.
		With the advent of modern rifle bullets, the overall shape changed (becoming more streamlined) and rather than go through trial and error again, for each different bullet, it was decided to use a multiplier (BC) with the standard tables.
	www.users.interport.net /b/o/bogburn (1833 words)

	TACTICAL OPTICS,SCHMIDT & BENDER,U.S OPTICS,LEUPOLD TACTICAL
		The Mark 4 M3-10x40mm and the Vari-X III 3.5-10x40mm Long Range M3 have an elevation adjustment that also compensates for bullet drop.
		The elevation dial is calibrated for bullet drop in increments from 100 yards to 1,000 yards, requiring less than a full revolution of adjustment.
		Compensating for bullet drop is only possible for certain calibre's, with specific bullet weights and muzzle velocities:
	home.swipnet.se /longrange/tactical_optics.htm (1121 words)

	Springfield Armory Rifle Scopes
		The 1st Generation scope is ballistically tuned for 7.62 (.308) match ammo and with its large objective lens delivers superior light gathering capability, even in low light conditions.
		This rugged, variable power scope features slim no snag windage and elevation knobs, and is perfect for a variety of serious law enforcement, counter sniper, and hunting applications.
		The 3rd Generation scope is identical to the 2nd Generation Scope with the addition of an illuminated Target Tracking™ green reticle with 7 individual brightness settings.
	www.discountfirearms.com /SAOPTICS.htm (873 words)

	sights
		So rather than having to estimate range, and calculate drop to the target, once point blank range is set, the shooter need only aim for the middle of the torso and fire.
		Another scope which ranges and compensates in one step is the Shepherd scope http://www.shepherdscopes.com/ This scope does internally, what the ART scope does with external cams, and the whole idea of the scope fascinates me. Both sites are worth a visit for those interested in seeing just how sophisticated a sniper scope can get.
		Though designed for compensation and adjustment of fire, the mil system may be used to range as well as compensate.
	www.notpurfect.com /main/sights.htm (3168 words)

	Nightforce Optics
		This enables the shooter to accurately range a target, utilize multiple zero points and select from numerous hold points to compensate for both windage and bullet drop.
		These vertical increments are used for range estimation, multiple zero points and accurate bullet drop compensation.
		Once range is determined select an appropriate hold point based on the bullet drop of your cartridge.
	www.nightforceoptics.com /?catid=4&viewitem=151 (1827 words)

	ATN Scopes; ATN Rifle Scopes (Site not responding. Last check: 2007-10-16)
		Some of the leading scope manufacturers have been installing less reliable mechanical aperture shutters to compensate for this problem The Proshield® coating is a mixture of anti-scratch, anti-condensation, anti-static and anti-glare coatings.
		All of the professional lit-reticle ATN scopes have a built in adjustment that compensates for bullet drop.
		The elevation dial is calibrated for bullet drop in increments from 100 yards to 1000 yards.
	www.posource.com /optics/rifle-scopes/atn-rifle-scopes (312 words)

	Leatherwood Rifle Scope 4-12x50mm Uni-Dial Drop Compensation (Site not responding. Last check: 2007-10-16)
		These scopes were designed by the legendary 2nd Lieutenant Jim Leatherwood who has been developing bullet drop compensation scopes since the 1960s and are used by the US military.
		Leatherwood is confident their scopes are second to none and the clarity of the lens is said to be better than Leupold.
		This scope compensates for the error you have in your current scope.
	www.leupoldscope.com /lerisc4undrc.html (329 words)

	The Maryland AR15 Shooters Site
		Intermediate eye relief scopes are for mounting in the “scout” position on a rifle or on the receiver of a shotgun.
		Matched to the range finder is a bullet drop compensator, which eliminates holdover or Kentucky windage.
		Find the range, adjust the bullet drop compensator to that range and shoot straight on.
	www.msnusers.com /TheMarylandAR15ShootersSite/selectingthecorrectsight.msnw (1032 words)

	Springfield Armory
		Variable Power 4-14x56, Patented Rangefinding Reticle with handsfree automatic bullet drop compensation for 7.62 (.308) match ammo to 1000 meters, 30mm tube, patented internal bubble level, and flip-up lens covers (not shown).
		Variable Power 4-14x56, Patented Rangefinding Reticle with handsfree automatic bullet drop compensation for 7.62 (.308) match ammo to 1000 meters, target knobs, adjustable objective, detachable 80mm sunshade (not shown), 30mm tube, patented internal bubble level, and flip-up lens covers (not shown).
		Variable Power 4-14x56, Patented Rangefinding Reticle with hands-free automatic bullet drop compensation for 7.62 (.308) match ammo to 1000 meters, 30mm tube, target knobs, adjustable objective, illuminated Target Tracking green reticle, patented internal bubble level, detachable 80mm sunshade, and flip-up lens covers.
	www.bodermansports.com /Optics/Springfield_Armory/springfield_armory.html (426 words)

	New Page 1
		The bullet drop compensation scale is not calibrated for one specific cartridge.
		This drop chart provides you with the information needed to hit your target using whole moa plus clicks.
		To determine the correct drop for a specific rifle cination utilizing the hold points of the NP1-RR reticle, reference your drop chart and set the riflescope magnification at 22X or 15X, depending on your model of Nightforce riflescope.
	www.scopeusout.com /oldscopes/nprrcont.htm (679 words)

	GunBroker.com Message Forums - scopes with built-in rangefinders
		Rangfinding, and Bullet Drop Compensation (BDC) are scientific, and when done correctly will function as designed.
		You must know what MOA the holdover points are, and then know what holdover or MOA of drop you need to compensate for, at the ranged distance to the target.
		If you still wish to get a compensated system, look at www.kentonindustries.com They make target knobs which are calibrated and marked for any caliber of rifle.
	forums.gunbroker.com /topic.asp?TOPIC_ID=54187 (1119 words)

	NoslerCustom Rifle
		Nosler shot a bull moose in British Columbia, wasn't satisfied with the performance of the bullet he was using and began sketching projectile designs in a quest for something that shot accurately and penetrated deeply.
		Collectively, the Noslers agree that they have yet to build a bullet that outperforms the Partition, but there have been some good and useful designs along the way--the Ballistic Tip (20 years young now) and the more recently introduced AccuBond, which sort of splits the difference between the Ballistic Tip and the Partition.
		There were events going on while we were there, but it wasn't hard to find an available range that was suitable to unveil the new rifle, which is chambered in.300 Winchester Short Magnum.
	www.gunsandammomag.com /long_guns/pronghorn_022205 (946 words)

	Telescopes Microscopes Sunglasses Rifle Scopes Night Vision Binoculars Radar Guns Rangefinders Cameras & more!
		All of the professional lit-reticle riflescopes have a built in adjustment that compensates for bullet drop.
		The elevation dial is calibrated for bullet drop in increments from 100 yards to 500 yards.
		In case the user needs to take a shot at different distances, the alignment process is simplified to the quick turn of a knob.
	opticsplanet.com /catalog/atn/bullet_drop_compenstator.shtml (117 words)

	Untitled Document (Site not responding. Last check: 2007-10-16)
		A 40-grain 22-caliber bullet leaving the muzzle at more than 2,600 fps will topple a woodchuck, fox or prairie dog at 300 yards, but that doesn't mean that distance is its effective field range.
		Accurate bullet placement determines the effective field range, and the.22 Hornet is at its best under 200 yards.
		The.19 Calhoon is the brainchild of bullet maker James Calhoon of 4343 U.S. Highway 87, Havre, MT 59501.
	www.jamescalhoon.com /19cal_article1.html (1689 words)

	The Maryland AR15 Shooters Site
		It keeps the bullet within 2" of the point of aim from 8M to 220M (very flat trajectory).
		This is a 300M zero, and is set up to hit the same point as the iron sights (typically the Marine 300 meter zero).
		This is a method that allows one to easily zero their BDC type scope.
	groups.msn.com /TheMarylandAR15ShootersSite/zeroingmethods.msnw (975 words)

	US Optics SN12 - Tomorrow's USMC Battle Rifle Scope
		Bullet Drop Compensation for the M4 from 200 to 600 yards with issue ammunition.
		Additional BDC wheels can be purchased for any 7.62 Nato/308 Winchester or 5.56 Nato/223 Remington round.
		The contract called for a 600-yard BDC so that's what was given.
	www.snipercountry.com /Articles/usopticssn12.asp (852 words)

	Encyclopedia: Bullet drop compensation (Site not responding. Last check: 2007-10-16)
		People who viewed "Bullet drop compensation" also viewed:
		Updated 221 days 16 hours 16 minutes ago.
		The feature compensates for the effect of gravity on the bullet at given distances.
	www.nationmaster.com /encyclopedia/Bullet-drop-compensation (143 words)

	OPTICS
		In addition, the scope comes with a variety of bullet drop compensators for popular rifle rounds.
		You put the bullet drop compensator on the scope that matches the caliber of your rifle and the elevation adjustments are pre-calibrated for you.
		I have found that the M3 model (as opposed to the M1 model which uses 1/4 minute elevation and windage adjustments) with its 1 minute elevation adjustments is easy to manage in the field.
	members.cox.net /g234me/optics.htm (1096 words)

	TheFiringLine Forums - Leupold Vari-XIII M3 ???
		Another issue is that, at the long ranges, it would be really usefull to have some kind of bullet drop compensation.
		The Leupold Vari-XIII M3 (http://www.snipercountry.com/LeupoldLRM3.htm) has the bullet drop compensation and a variable power zoom.
		I've also been thinking of the Springfiled Armory scopes with the bullet drop compensation in the reticle.
	www.thefiringline.com /forums/showthread.php?t=85994 (686 words)

	Leupold Mark 4 10x40mm LR/T M3 Mil Dot
		The Mark 4 10x40mm LR/T M3 features bullet drop compensation adjustments.
		The M3 adjustment dials are specially calibrated and interchangeable to allow bullet drop compensation.
		Adjustment increments of 1 MOA elevation and ½ MOA windage allow for easy adjustment, while the side parallax adjustment dial makes it possible to eliminate parallax while remaining in shooting position.
	www.bigrivertactical.com /catalog/item/1652879/1213098.htm (72 words)

	Leupold Mildot Scopes (Site not responding. Last check: 2007-10-16)
		Incorporating the best features of the Mark 4 M3 and Vari-X III scopes, the Leupold Mark 4 3.5-10x40mm LR/T M3 Mildot features M3-style adjustment dials that are specially calibrated and interchangeable for bullet drop compensation.
		The Mark 4 M3-10x40mm and the Mark 4 3.5-10x40mm LR/T M3 Mildot have an elevation adjustment that also compensates for bullet drop.
		Compensating for bullet drop is only possible for certain calibers with specific bullet weights and muzzle velocities:
	www.ustacticalsupply.com /scopes.shtml (1579 words)

	ATN Professional 12-36x80LU
		Specifically designed for this potent rifle, the 12-36x80 has a 1000-yard BDC and a 3000-yard range finder built-in.
		An 10 position illuminated reticle prevents you from losing sight of your reticle even in the darkest of conditions.
		Compensator provides shooting at the distance from 2000 up to 1000 yards.
	usaoptics.net /prof1236x80l.html (308 words)

	Rifles With the exception of the hunting rifles (Site not responding. Last check: 2007-10-16)
		Made as a competition rifle for a specialty high-speed 7.62x39mm case rifle round necked down to a.22 caliber bullet, the Hart Rifle is a bolt-action beauty.
		The 4.7 mm (.17 caliber) bullet will leave laser-like holes in armored targets, but does little damage to live targets unless vital organs are hit.
		The optics includes a variable 6x power magnification to allow for built in bullet drop compensation as it includes an infrared laser rangefinder.
	rpgworlds.com /alphacity/setting/weapons/rifles.html (2064 words)

	Christian Outdoorsman Article - Ram Showdown (Site not responding. Last check: 2007-10-16)
		After mentally estimating range, bullet drop, and compensation for shooting almost vertically downhill, I squeezed off a shot.
		At that sign, he figured I would field dress the sheep and drop off the mountain to the vehicles below where we would rendezvous.
		The edge of a snow-front moved in and temperatures dropped into the teens.
	christianoutdoorsman.com /ram_showdown.html (2646 words)

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