27 NOSLER [27 NOSLER] - SAAMI
嚜燙AAMI Revised Cartridge & Chamber
Maximum Average Pressure (MAP)* = 65,000 psi
Instrumental Velocity**: 150-gr @ 3,200 fps
Crusher pressures not established.
(** Velocity based on a 24§ Test Barrel)
* Refer to ANSI/SAAMI Z299.4 for pressure guideline interpretation description.
27 NOSLER [27 NOSLER]
ISSUED: - -/- -/2015
.037 + .010
(0.94 + 0.25)
.050 - .011
(1.27 每 0.28)
.5500 (13.970)
.5300 (13.462)
35∼+20∼
32∼-6∼
.475 - .020
(12.07 每 0.51)
CARTRIDGE
.4200 B
(10.668)
*
UNLESS OTHERWISE NOTED
BODY DIA. -.008 (0.20)
.3140
(7.976)
35∼ B
.3140
(7.976)
BULLET(1)
.030 + .050 R
(0.76 + 1.27)
.200 B
(5.08)
1.750 (44.45) B
2.1087 (53.562)
*?
2.186 - .007 (55.52 - 0.18)
2.2617 (57.447)
.2780 - .0030
(7.061 每 0.076)
.125 (3.18) R MAX
.534 - .010
(13.56 每 0.25)
*
.5282 ?
(13.416)
.035 - .010
(0.89 每 0.25)
REVISED: 09/22/2020
*?
2.590 - .020 (65.79 每 0.51)
3.160 (80.26) MIN 每 3.340 (84.84) MAX
.420 (10.67) B
.5292 (13.443)
.5310 (13.487)
.5510 (13.995)
35∼ B
.5533 ?
(14.053)
.270 (6.86)
Bore Dia.
45∼ B
.277 (7.04)
Groove Dia.
.270
(6.86)
1∼30' B
.030 (0.76) R MAX
1.750 (44.45) B
2.1043 (53.449)
*?
2.1823 (55.430) MIN - 2.1923 (55.684) MAX
BREECH
BOLT
FACE
.316
(8.03)
2.2566 (57.317)
*?
.125 + .030 R
(3.18 + 0.76)
.200 B
(5.05)
*?
*
.316
(8.03)
.278 ?
(7.06)
2.6000 (66.040)
2.6190 (66.523) ?
2.7718 (70.403) ?
CHAMBER
UNLESS OTHERWISE NOTED
ALL DIA +.002 (0.05)
LENGTH TOL. +.015 (0.38)
? 4 GROOVES
? .160+.002 (4.06+0.05) WIDE
TWIST: 8.50 (215.9) R.H. OPTIONAL
MIN. BORE & GROOVE AREA:
.0596 SQ. IN. (38.451 mm2)
DO NOT SCALE FROM DRAWING
NOTE:
B = BASIC
(XX.XX) = MILLIMETERS
? = REFERENCE DIMENSION
= DIMENSIONS ARE TO INTERSECTION OF LINES
ALL CALCULATIONS APPLY AT MAXIMUM MATERIAL CONDITION (MMC)
(1) 每 BULLET PROFILE IS SHOWN FOR ILLUSTRATIVE PURPOSES ONLY
*
= HEADSPACE DIMENSION
Copyright ? Sporting Arms and Ammunition Manufacturers＊ Institute, Inc. All rights reserved. No part of this publication may be
reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher
SAAMI Revised Cartridge & Chamber
27 Nosler V&P Test Barrel
ISSUED: 01/19/2015
.5310 (13.487)
TRANSDUCER LOCATION
.1.929 - .010
(49.00 - 0.25)
C
L
REVISED: 07/01/2021
.5292 (13.443)
.420 B
(10.67)
.316
(8.03)
*
Bore Dia.
.277 (7.04)
Groove Dia.
.278 ?
(7.06)
.5510 (13.995)
.316
(8.03)
35∼ B
.5533
(14.053)
* ? .270 (6.86)
45∼ B
.270
(6.86)
1∼30' B
.030 (0.76) R MAX
1.750 (44.45) B
2.1043 (53.449)
.125 + .030 R
(3.18 + 0.76)
.200 B
(5.08)
*?
2.1823 + .0005 (55.430 + 0.013)
BREECH
BOLT
FACE
2.2566 (57.317)
*?
2.6000 (66.040)
2.6190 (66.523) ?
2.7718 (70.403)
24.000 ㊣ .010 (609.60 ㊣ 0.25)
DO NOT SCALE FROM DRAWING
NUMBER OF GROOVES:
WIDTH OF GROOVES:
TWIST RATE:
DIAMETER OF PISTON HOLE:
TRANSDUCER DIAMETER:
LAND AND GROOVE DIMENSIONS TO BE
WITHIN TOLERANCES THROUGHOUT
LENGTH OF BARREL.
4
.160 + .002 (4.06 + 0.05)
8.50 (215.9) R.H.
Crusher pressures not established.
.250 (6.35)
UNLESS OTHERWISE NOTED,
ALL DIAMETERS +.0005 (0.013)
LENGTH TOLERANCE + .005 (0.13)
NOTE:
B = BASIC
= HEADSPACE DIMENSION
? = REFERENCE DIMENSION
DIMENSIONS ARE TO INTERSECTIONS OF LINES
(XX.XX) = MILLIMETERS
ALL CALCULATIONS APPLY AT MAXIMUM MATERIAL CONDITION (MMC)
*
Copyright ? Sporting Arms and Ammunition Manufacturers＊ Institute, Inc. All rights reserved. No part of this publication may be
reproduced in any form, in an electronic retrieval system or otherwise, without the prior written permission of the publisher
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