








Bastion Remington 700/Compatible Stock - New Codes
Bastion Stock Requires 90 Days Lead Time
Select Your Stock Options
The Bastion is the newest option in PEAK 44’s lineup of lightweight carbon fiber stocks. It features an ultra-comfortable vertical grip, designed for the long-range shooter who depends on superior accuracy but can’t afford added bulk and unnecessary weight. The Bastion weighs in at just 24 ounces.
Features & Specs
LONG ACTION
COMMON CHAMBERINGS
6.5 PRC, 270 WIN, 7MM REM MAG, 28 NOSLER, 280 ACKLEY IMP, 300 WIN MAG, 30-06 SPRG, 300 PRC
ADDITIONAL CHAMBERINGS
25-06 REM, 6.5-300 WBY MAG, 26 NOSLER, 6.5-284 NORMA MATCH, 6.5×55 SWEDISH MAUSER, 264 WIN MAG, 27 NOSLER, 280 REM, 7 STW, 7MM MAUSER, 300 RUM, 30 NOSLER, 338 WIN MAG, 338 LAPUA, 33 NOSLER, 338 RUM, 35 WHELEN, 9.3x62MM MAUSER, 375 H&H, 375 RUGER
SHORT ACTION
COMMON CHAMBERINGS
243 WIN, 6MM CREEDMOOR, 6.5 CREEDMOOR, 7MM-08 REM, 308 WIN
ADDITIONAL CHAMBERINGS
17 HORNET, 17 WSM, 17 HMR, 204 RUGER, 22LR, 22 NOSLER, 220 SWIFT, 224 VALKYRIE, 22-250, 22 CREEDMOOR, 22 WMR, 223/5.56, 22 HORNET, 222 REM, 6MM BR, 6MM REM, 260 REM, 6.5 GRENDEL, 270 WSM, 6.8 WESTERN, 6.8 REM SPC, 7 SAUM, 7 WSM, 300 WSM, 30-30 WIN, 300 BLACKOUT, 7.62x39MM, 300 RUGER (RCM), 325 WSM, 338 FEDERAL, 350 LEGEND, 444 MARLIN, 450 BUSHMASTER, 45.-70 GOVT
*Don’t see your chambering? Contact customer service.

Barrel Channel Measurements
Dimensions are +/-.010 inches. We recommend a minimum of .02 inches of clearance between the barrel and stock. Some hand filling may be required.
Barrel Inlets | A | B | C | D | E |
---|---|---|---|---|---|
Mag Sporter | 1.270“ | 1.218“ | 1.013“ | 0.911“ | 0.887“ |
Proof Research Carbon Sendero | 1.270“ | 1.270“ | 1.204“ | 1.130“ | 1.116“ |

M5 BOTTOM METAL
Fits Remington 700 and Remington Compatible actions.
- Fits M5 inlets (Will NOT Fit a Standard Remington BDL Inlet)
Available In
Short Action
Long Action: (3.715″), and CIP with AICS 6715 magazines, CIP+ Length 338 Lapua (3.850″ Accurate & MDT Magazines)
Test

HINGED FLOORPLATE BOTTOM METAL
Fits Remington 700 and Remington Compatible actions.
- Works with factory BDL bottom metal
- Will NOT fit M5 inlet
Typical Chamberings on this action type
LONG ACTION
COMMON CHAMBERINGS
6.5 PRC, 270 WIN, 7MM REM MAG, 28 NOSLER, 280 ACKLEY IMP, 300 WIN MAG, 30-06 SPRG, 300 PRC
ADDITIONAL CHAMBERINGS
25-06 REM, 6.5-300 WBY MAG, 26 NOSLER, 6.5-284 NORMA MATCH, 6.5×55 SWEDISH MAUSER, 264 WIN MAG, 27 NOSLER, 280 REM, 7 STW, 7MM MAUSER, 300 RUM, 30 NOSLER, 338 WIN MAG, 338 LAPUA, 33 NOSLER, 338 RUM, 35 WHELEN, 9.3x62MM MAUSER, 375 H&H, 375 RUGER
SHORT ACTION
COMMON CHAMBERINGS
243 WIN, 6MM CREEDMOOR, 6.5 CREEDMOOR, 7MM-08 REM, 308 WIN
ADDITIONAL CHAMBERINGS
17 HORNET, 17 WSM, 17 HMR, 204 RUGER, 22LR, 22 NOSLER, 220 SWIFT, 224 VALKYRIE, 22-250, 22 CREEDMOOR, 22 WMR, 223/5.56, 22 HORNET, 222 REM, 6MM BR, 6MM REM, 260 REM, 6.5 GRENDEL, 270 WSM, 6.8 WESTERN, 6.8 REM SPC, 7 SAUM, 7 WSM, 300 WSM, 30-30 WIN, 300 BLACKOUT, 7.62x39MM, 300 RUGER (RCM), 325 WSM, 338 FEDERAL, 350 LEGEND, 444 MARLIN, 450 BUSHMASTER, 45.-70 GOVT
*Don’t see your chambering? Contact customer service.
Barrel Channel Measurements

Barrel Channel Measurements
Dimensions are +/-.010 inches. We recommend a minimum of .02 inches of clearance between the barrel and stock. Some hand filling may be required.
Barrel Inlets | A | B | C | D | E |
---|---|---|---|---|---|
Mag Sporter | 1.270“ | 1.218“ | 1.013“ | 0.911“ | 0.887“ |
Proof Research Carbon Sendero | 1.270“ | 1.270“ | 1.204“ | 1.130“ | 1.116“ |
M5 Bottom Metal Information & Measurements

M5 BOTTOM METAL
Fits Remington 700 and Remington Compatible actions.
- Fits M5 inlets (Will NOT Fit a Standard Remington BDL Inlet)
Available In
Short Action
Long Action: (3.715″), and CIP with AICS 6715 magazines, CIP+ Length 338 Lapua (3.850″ Accurate & MDT Magazines)
Carbon Six Barrel Channel Information

Carbon Six Channel Information
Carbon Six #3 inlet is designed to work with all Carbon Six Remington Featherweight, Sendero and Magnum barrels ranging from 18" to 26" as well as the Remington Bull 18" (refer to Carbon Six contour document for more information).
Image above depicts the maximum gap on a Bastion stock, when a Carbon Six Remington Featherweight 18" barrel is used.
Hinged Floor Plate Information & Measurements

HINGED FLOORPLATE BOTTOM METAL
Fits Remington 700 and Remington Compatible actions.
- Works with factory BDL bottom metal
- Will NOT fit M5 inlet
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