SINCLAIR BUMP GAGE INSERT – SHOULDER BUMP GAGE INSERT, #30A, 30 DEGREE, 300 SAUM/7MM/338

Specifications

  • Cartridge: 300 Remington SAUM
SINCLAIR BUMP GAGE INSERTS
 
Sinclair Bump Gage Inserts are used to measure the amount of shoulder bump when setting up full length sizing dies. Our Bump Gages install in either of our comparator bodies and are machined to fit particular shoulder angles of cartridges. Rather than measuring to the datum line, these gages indicate off of the shoulder of the case to get a better, more easily assessable measurement of how much you are actually sizing your cases. We usually recommend between .001" to .002" bump for bolt action rifles and between .003" and .005" for AR-15 type rifles. Also a useful tool for keeping your brass and loaded ammunition separated if you have multiple rifles chambered for the same cartridge and checking loaded ammunition.
 
17 – 25-06 Remington, 270 Winchester, 280 Remington, 30-06 Springfield, 7.62 x 39 mm
 
20 – 243 Winchester, 260 Remington, 7 mm – 08 Remington, 7 x 64 mm Brenneke, 307 Winchester, 308 Marlin Express, 308 Winchester
 
20A – 338 Federal, 338 Lapua Mag
 
21 – 220 Swift
 
23 – 17 Remington, 221 Remington Fireball, 222 Remington, 222 Remington Mag, 223 Remington, 5.56 mm NATO
 
23A – 6.8 mm Remington SPC
 
25 – 264 Winchester Magnum, 225 Winchester, 6.5 x 55 mm Swedish Mauser, 7 mm Remington Magnum, 7 mm STW, 30 Remington AR, 300 Winchester Magnum, 8 mm Remington Mag, 338 Winchester Magnum
 
26 – 6 mm Remington
 
28 – 22-250 Remington, 223 WSSM (Winchester Super Short Mag), 243 WSSM (Winchester Super Short Mag)
 
30 – 20 Nosler, 6 mm BRX, 20 BR (Benchrest), 20 PPC, 20 Tactical, 20 Vartarg, 204 Ruger, 22 BR (Benchrest) Remington, 22 BRX, 22 PPC, 22 Nosler, 224 Valkyrie, 6 mm BR, 6 PPC, 6 mm XC, 6mm Creedmoor
 
30A – 300 Remington SAUM, 25 WSSM (Winchester Super Short Mag), 6.5 mm BR, 6.5 Grendel, 6.5 Creedmoor, 30 BR (Benchrest), 30 Thompson Center, 300 Ruger Compact Magnum, 300 Savage, 338 Ruger Compact Magnum
 
35 – 27 Nosler, 26 Nosler, 270 WSM (Winchester Short Mag), 284 Winchester, 7 mm WSM (Winchester Short Magnum), 30 Nosler, 300 WSM (Winchester Short Mag), 33 Nosler, 325 WSM (Winchester Short Mag)
 
40 – 22-250 Ackley Improved, 22-6mm Remington Ackley Improved, 22/30-30 Ackley Improved, 220 Ackley Improved, 223 Ackley Improved, 228 Ackley Magnum, 243 Winchester Ackley Improved, 6mm Ackley Improved, 6mm/30-30 Ackley Improved
 
40A – 25 Ackley Krag Short Improved, 25-3000 Ackley Improved, 257 Roberts +P Ackley Improved, 257 Roberts Ackley Improved, 338-06 Ackley Improved, 257 Ackley, 260 Ackley Improved, 280 Ackley Improved, 30-30 Ackley
 
45A – 45 Degree Shoulder up to 30 Caliber
Description

Original price was: $10.99.Current price is: $8.24.

SINCLAIR BUMP GAGE INSERTS
 
Sinclair Bump Gage Inserts are used to measure the amount of shoulder bump when setting up full length sizing dies. Our Bump Gages install in either of our comparator bodies and are machined to fit particular shoulder angles of cartridges. Rather than measuring to the datum line, these gages indicate off of the shoulder of the case to get a better, more easily assessable measurement of how much you are actually sizing your cases. We usually recommend between .001" to .002" bump for bolt action rifles and between .003" and .005" for AR-15 type rifles. Also a useful tool for keeping your brass and loaded ammunition separated if you have multiple rifles chambered for the same cartridge and checking loaded ammunition.
 
17 – 25-06 Remington, 270 Winchester, 280 Remington, 30-06 Springfield, 7.62 x 39 mm
 
20 – 243 Winchester, 260 Remington, 7 mm – 08 Remington, 7 x 64 mm Brenneke, 307 Winchester, 308 Marlin Express, 308 Winchester
 
20A – 338 Federal, 338 Lapua Mag
 
21 – 220 Swift
 
23 – 17 Remington, 221 Remington Fireball, 222 Remington, 222 Remington Mag, 223 Remington, 5.56 mm NATO
 
23A – 6.8 mm Remington SPC
 
25 – 264 Winchester Magnum, 225 Winchester, 6.5 x 55 mm Swedish Mauser, 7 mm Remington Magnum, 7 mm STW, 30 Remington AR, 300 Winchester Magnum, 8 mm Remington Mag, 338 Winchester Magnum
 
26 – 6 mm Remington
 
28 – 22-250 Remington, 223 WSSM (Winchester Super Short Mag), 243 WSSM (Winchester Super Short Mag)
 
30 – 20 Nosler, 6 mm BRX, 20 BR (Benchrest), 20 PPC, 20 Tactical, 20 Vartarg, 204 Ruger, 22 BR (Benchrest) Remington, 22 BRX, 22 PPC, 22 Nosler, 224 Valkyrie, 6 mm BR, 6 PPC, 6 mm XC, 6mm Creedmoor
 
30A – 300 Remington SAUM, 25 WSSM (Winchester Super Short Mag), 6.5 mm BR, 6.5 Grendel, 6.5 Creedmoor, 30 BR (Benchrest), 30 Thompson Center, 300 Ruger Compact Magnum, 300 Savage, 338 Ruger Compact Magnum
 
35 – 27 Nosler, 26 Nosler, 270 WSM (Winchester Short Mag), 284 Winchester, 7 mm WSM (Winchester Short Magnum), 30 Nosler, 300 WSM (Winchester Short Mag), 33 Nosler, 325 WSM (Winchester Short Mag)
 
40 – 22-250 Ackley Improved, 22-6mm Remington Ackley Improved, 22/30-30 Ackley Improved, 220 Ackley Improved, 223 Ackley Improved, 228 Ackley Magnum, 243 Winchester Ackley Improved, 6mm Ackley Improved, 6mm/30-30 Ackley Improved
 
40A – 25 Ackley Krag Short Improved, 25-3000 Ackley Improved, 257 Roberts +P Ackley Improved, 257 Roberts Ackley Improved, 338-06 Ackley Improved, 257 Ackley, 260 Ackley Improved, 280 Ackley Improved, 30-30 Ackley
 
45A – 45 Degree Shoulder up to 30 Caliber

Out of stock

SKU 749011481 Category

Description

SINCLAIR BUMP GAGE INSERTS
 
Sinclair Bump Gage Inserts are used to measure the amount of shoulder bump when setting up full length sizing dies. Our Bump Gages install in either of our comparator bodies and are machined to fit particular shoulder angles of cartridges. Rather than measuring to the datum line, these gages indicate off of the shoulder of the case to get a better, more easily assessable measurement of how much you are actually sizing your cases. We usually recommend between .001" to .002" bump for bolt action rifles and between .003" and .005" for AR-15 type rifles. Also a useful tool for keeping your brass and loaded ammunition separated if you have multiple rifles chambered for the same cartridge and checking loaded ammunition.
 
17 – 25-06 Remington, 270 Winchester, 280 Remington, 30-06 Springfield, 7.62 x 39 mm
 
20 – 243 Winchester, 260 Remington, 7 mm – 08 Remington, 7 x 64 mm Brenneke, 307 Winchester, 308 Marlin Express, 308 Winchester
 
20A – 338 Federal, 338 Lapua Mag
 
21 – 220 Swift
 
23 – 17 Remington, 221 Remington Fireball, 222 Remington, 222 Remington Mag, 223 Remington, 5.56 mm NATO
 
23A – 6.8 mm Remington SPC
 
25 – 264 Winchester Magnum, 225 Winchester, 6.5 x 55 mm Swedish Mauser, 7 mm Remington Magnum, 7 mm STW, 30 Remington AR, 300 Winchester Magnum, 8 mm Remington Mag, 338 Winchester Magnum
 
26 – 6 mm Remington
 
28 – 22-250 Remington, 223 WSSM (Winchester Super Short Mag), 243 WSSM (Winchester Super Short Mag)
 
30 – 20 Nosler, 6 mm BRX, 20 BR (Benchrest), 20 PPC, 20 Tactical, 20 Vartarg, 204 Ruger, 22 BR (Benchrest) Remington, 22 BRX, 22 PPC, 22 Nosler, 224 Valkyrie, 6 mm BR, 6 PPC, 6 mm XC, 6mm Creedmoor
 
30A – 300 Remington SAUM, 25 WSSM (Winchester Super Short Mag), 6.5 mm BR, 6.5 Grendel, 6.5 Creedmoor, 30 BR (Benchrest), 30 Thompson Center, 300 Ruger Compact Magnum, 300 Savage, 338 Ruger Compact Magnum
 
35 – 27 Nosler, 26 Nosler, 270 WSM (Winchester Short Mag), 284 Winchester, 7 mm WSM (Winchester Short Magnum), 30 Nosler, 300 WSM (Winchester Short Mag), 33 Nosler, 325 WSM (Winchester Short Mag)
 
40 – 22-250 Ackley Improved, 22-6mm Remington Ackley Improved, 22/30-30 Ackley Improved, 220 Ackley Improved, 223 Ackley Improved, 228 Ackley Magnum, 243 Winchester Ackley Improved, 6mm Ackley Improved, 6mm/30-30 Ackley Improved
 
40A – 25 Ackley Krag Short Improved, 25-3000 Ackley Improved, 257 Roberts +P Ackley Improved, 257 Roberts Ackley Improved, 338-06 Ackley Improved, 257 Ackley, 260 Ackley Improved, 280 Ackley Improved, 30-30 Ackley
 
45A – 45 Degree Shoulder up to 30 Caliber

Additional information

Weight .07 lbs
Cartridge

BBH_6.5 Grendel, BCC_6.5 Creedmoor, CCC_30 Thompson Center, CHH_300 Savage, 300 Remington SAUM, BBE_6.5 mm BR, BZZA_30 BR (Benchrest), ATT_25 WSSM (Winchester Super Short Mag), DFF_338 Ruger Compact Magnum, CFF_300 Ruger Compact Magnum

Frequently Asked Questions

Are these brass cases and reloading components factory-new or once-fired? +

We stock both premium factory-new components and high-quality once-fired brass. Please check the specific product listing title and description carefully; once-fired brass is fully inspected, but we always recommend resizing and inspecting prior to priming and powder charging.

Will this case trimmer gauge or die set work with my progressive press setup? +

Our standard reloading dies and case length trimmer accessories utilize industry-standard threads (typically 7/8"-14) compatible with major single-stage, turret, and progressive presses like RCBS, Hornady, Lee Precision, and Dillon. Caliber-specific trim gauges must match your exact brass caliber.

Do you enforce shipping restrictions on powder, primers, or live ammunition? +

Yes. Non-hazardous reloading equipment (dies, case length trimmers, gauges, and unprimed brass) ships via standard ground carriers with no extra fees. Any orders containing smokeless powders or primers will incur standard federal HazMat handling fees and cannot be shipped via air transportation.

How can I track my shipment to ensure delivery safety? +

Precision reloading gear is valuable, so all orders are shipped with tracking enabled. As soon as your package is dispatched from our inventory warehouse, a tracking number will be emailed to you. You can monitor your shipment directly on our Track Order page using your unique Order ID.

Can I return precision measuring tools or die components if they don’t fit? +

We accept returns on unused, unaltered tools, case preparation equipment, and unopened component boxes within 30 days of item delivery. Due to safety and strict quality control on the reloading bench, we absolutely cannot accept returns on opened packs of primers, smokeless powder, or processed brass casings.