b'Lock-N-Load Precision GaugesLock-N-Load HeadspaceComparatorThe Lock-N-Load Headspace Comparator extends brass life, improves accuracy, and enhances safety. The gauge measures variations in brass before and after firing or re-sizing. It allowsLock-N-Load 17-22 RimLock-N-Load for headspace comparisonThickness Gauge BulletComparatorbetween fire-formed brass andSorting ammo by rim thicknessMeasuring cartridge lengths across re-sized brass. will provide ammo with similarthe bullet tips is not a reliable (or The five bushings that come withignition qualities for improvedrepeatable) method for measuring the Lock-N-Load Headspaceaccuracy. This proven techniqueloaded rounds. Its common for Comparator provide the ability tois used by competitive shootersvariations of up to .025" to exist from check most bottleneck cases, fromand varmint hunters. The rimfireone round to the next. Our Bullet .17 Rem through belted magnums.gauge attaches to your caliperComparator measures rounds from G N I D A O L E R Ackley Improved chambers useand includes bushings for usethe ogive to provide consistent, the same bushing size as thewith most .17 and .22 caliberprecise measurements. You can also parent case. See chart providedrimfire ammo. (Not compatibleuse it to check uniformity of bullets or consult product instructions forwith 17 WSM.) from base to ogive.cartridge/bushing size details. No. RF17 Our Bullet Comparator easily attaches to the blade of your caliper and uses interchangeable inserts (available in sizes from .17 caliber to .45 caliber) to measure from the bullet ogive.Used in conjunction with the O.A.L. Anvil Base Kit Gauge, the Bullet Comparator Determining the proper bushingThe anvil attaches to the oppositeprovides the ultimate in precision diameter: If you add the neckblade of your caliper when utilizingmeasurement. The Bullet diameter and the shoulder diameterthe Hornady Lock-N-LoadComparator will properly align and divide that number by two, useHeadspace Comparator, supplyingthe O.A.L. Gauge for precise the bushing closest to that number. a large surface area for case headsmeasurement using a caliper. This Body with 5 Bushing Setand bullets to rest, making ogivemethod allows direct comparison No. HK66 and headspace measurementsof your loads as you set up your 5 Bushings Onlyeasier to obtain. bullet seating die for any selected No. HK55 No. AB1 bullet free-travel (jump).Bullet ComparatorLock-N-Load Headspace Bushings BasicSetNo. B234GABCDEFComparator body and 7 bullet .240".330".350".375".400".420".188"inserts for bullet diameters: NO. G240 NO. A330 NO. B350 NO. C375 NO. D400 NO. E420 NO. F18817 Hornet .17 Rem 22 PPC 6mm GT 30-06 223 WSSM 6.5 x 284 264 Win Mag Bushing.224" (5.56mm),.243" (6mm),204 Ruger 22-250 Rem 6mm Rem 300 H&H 243 WSSM 6.5 PRC 7mm SAUM blank with.257,".264" (6.5mm),.277,".188" diameter 221 FB 6PPC, 6BR Rem 257 Rob 7.62x39 260 Rem 284 Win 7mm STW hole. Drill and.284" (7mm),.308" (7.62 & 8mm)Ream for sizes 222 Rem 250 Sav 25-06 Rem 6.5x55 270 WSM 7mm Rem Mag 300 RSAUM not listed. Bullet Comparator222 Rem Mag 7BR Rem 270 Win 7mm WSM 7mm-08 Rem 7mm PRC 300 Win Mag CompleteSetNo. B14223 Rem 300 Blkout 7 x 57mm 30-40 Krag 300 Sav 7mm Ultra Mag 300 PRC Comparator body and all 220 Swift 6.5 Grendel 280 Rem 6.5 Creedmoor 308 Win 300 WSM 300 Ultra Mag 14 bullet inserts for bullet 22 ARC 6mm ARC 30-30 Win 6.5 x47 Lapua 35 Rem 300 Wby Mag 8mm Rem Mag diameters: .172,".204,"22 ARC 243 Win 325 WSM 338 Ultra Mag .224" (5.56mm),.243" (6mm),22 Creedmoor 338 Win Mag 338 Lapua25 Creedmoor 350 Rem Mag 35 Whelan .257,".264" (6.5mm),.277,"375 H&H Mag .284" (7mm),.308,".338,".358,".375,".416,".458"132 1-800-338-3220|hornady.com'