American Rifleman - June/July 2021 - 58

27 NOSLER

The 27 Nosler is the company's fifth cartridge based on a modified
.404 Jeffery case. They include (l. to r.): the 26, 27, 28, 30 and
33 Nosler. Changes in case dimensions were made due to the length
of the Model 48 magazine and to prevent cross-caliber chambering.

Respective muzzle velocity ratings for Nosler Trophy
Grade ammunition loaded with 150-gr. AccuBond and 165-gr.
AccuBond LR bullets are 3250 f.p.s. and 3158 f.p.s. The G1
ballistic coefficients (BCs) are 0.500 for the 150-gr. bullet
and 0.620 for the 165-gr. bullet. For handloading, Nosler
also has a Long Range version of the 150-gr. AccuBond
with a 0.591 BC. Availability of 27 Nosler ammunition
loaded with the standard 150-gr. AccuBond bullet is good
news because, at the conservative distances that I and most
other hunters take big game, it retains a higher percentage
of its original weight than the two Long Range versions.
A 1:10 " rifling twist rate has long been standard for the
.270 Win. among American manufacturers, but to assure
complete stabilization of the new lengthy bullets, twist
rate for the 27 Nosler is 1:8.5 " . And while Berger considers
1:8 " to be optimal for the 170-gr. Elite Hunter, it delivered excellent accuracy from the slightly slower twist of
the Nosler test rifle. The G1 BC for that bullet is 0.662.
Uniformly round holes in paper targets indicated stability
with all bullets tested.
The 27 Nosler is presently available in two Model 48
variants, the Mountain Carbon with a 24 " barrel and the
Long-Range Carbon with a 26 " barrel. Carbon-wrapped,

stainless-steel barrels with cut rifling made by PROOF
Research are shipped to Nosler where they are chambered,
headspaced and installed onto Model 48 actions. A slow
tour through the bore with a Lyman Digital Borecam
revealed extremely smooth, six-groove, hand-lapped rifling.
Advertised weights are 6 lbs. for the Mountain Carbon and
7 lbs. for the Long-Range Carbon. On my digital postal
scale, the Long-Range Carbon in 27 Nosler weighed
6 lbs., 15 ozs., and that's close enough. The addition of
a Nightforce 3-10X 42 mm scope, Talley 30 mm rings and
Picatinny rail, along with three 27 Nosler cartridges and a
light nylon sling took the hunt-ready weight to an ounce
past 9 lbs. Other chambering options for the Long-Range
Carbon rifle are 6.5 mm Creedmoor, 26 Nosler, 28 Nosler,
.300 Win. Mag., 30 Nosler and 33 Nosler.
The 27 Nosler is not presently offered in the Model 48
Long-Range with its all-steel barrel, but since the other Nosler
cartridges are available in it, the 27 Nosler is likely to follow
eventually. While it is 13 ozs. heavier than the Long-Range
Carbon, it is also $385 less expensive. Both rifles depart the
factory with the same one-m.o.a. accuracy guarantee.
Torx-head bolts at the front and rear of the receiver
secure the pillar-bedded action to a Manners MCS-T Elite
Tac stock while the barrel free-floats. Made entirely of carbon fiber, the stock has a durable Elite Midnight Camo finish, and its angled comb is high enough for a good cheek
weld with one of the huge scopes many hunters are fond of
today. Comb height also proved to be a comfortable fit with
the lower mounting of the relatively small Nightforce scope
I used when shooting the rifle.
A clearance notch at the front of the comb allows the
bolt to be removed without dinging the stock. Both sides
of the wrist and fore-end have textured panels, but when
hands become cold and wet during a hunt, molded-in
checkering would offer a more secure grip. The flat-bottom

The Model 48 Long-Range Carbon, with a Manners MCS-T
Elite Tac carbon-fiber stock and a 26 " PROOF Research
carbon-wrapped stainless steel barrel in 27 Nosler, weighs
roughly 7 lbs. Until recently, the bolt (r.) started as an
investment casting and was then machined to its final
dimensions, but it is now cut from 4140 bar stock.

58

JUNE/JULY 2021

AMERICAN RIFLEMAN



American Rifleman - June/July 2021

Table of Contents for the Digital Edition of American Rifleman - June/July 2021

Contents
American Rifleman - June/July 2021 - Cover1
American Rifleman - June/July 2021 - Cover2
American Rifleman - June/July 2021 - 1
American Rifleman - June/July 2021 - Contents
American Rifleman - June/July 2021 - 3
American Rifleman - June/July 2021 - 4
American Rifleman - June/July 2021 - 5
American Rifleman - June/July 2021 - 6
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American Rifleman - June/July 2021 - Cover3
American Rifleman - June/July 2021 - Cover4
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