Anoka, MN 55303 (800) 322-2342
www.federalpremium.com
Hodgdon (and Winchester) Powders 6231 Robinson
Shawnee Mission, KS 66202 (913) 362-1307
www.hodgdon.com Hornady Manufacturing P.O. Box 1848
Grand Island, NE 68803 (308) 382-1390
www.hornady.com
Pachmayr
(Division of Lyman Products) 475 Smith Street Middletown, CT 06457 (800) 22-LYMAN
www.lymanproducts.com Sierra Bullets
1400 West Henry Street Sedalia, MO 65301 (888) 223-3006
www.sierrabullets.com Speer Bullets (ATK) 2299 Snake River Avenue
Lewiston, ID 83501 (866) 286-7436
www.speer-bullets.com Thompson/Center Arms (as of April 2011, their entire operation was moved to their parent company headquarters, which is Smith & Wesson)
www.tcarms.com
Winchester Ammunition 600 Powder Mill Road East Alton, Il 62024 (618) 258-3609
www.winchester.com
Table 1: Cartridge Data for Long vs. Short Barrels
What you can expect for accuracy at 100 yards as well as the muzzle velocity of the various ammos tested in a 15" vs. 28" barrel. Chronograph: Oehler 35P, Temperature: 40 degrees F. Humidity 60%. Muzzle of firearm was 10 feet from the first screen.
Handgun: Thompson/Center Encore, 15-inch barrel, Burris Pos-Align Signature Rings, Bushnell Elite 3200 Firefly 2-6x scope.
Rifle: Thompson/Center Encore, 28-inch barrel, Burris Pos-Align Signature Rings, Bushnell 30mm Elite 6500 1.25-8x Rainguard scope.
Note: Included are the powder and charge load suggestions as taken from that company’s loading manuals. Overall, what worked the best in my firearms is listed below.
AMMUNITION OR LOAD
Sierra 110-grain HP, Federal 210 primer 54.0 grains Varget
Sierra 125-grain Spitzer, Federal 210 primer 53.5 grains Varget
Barnes 130-grain XBT, Federal 210 primer 60.0 grains Winchester 760
Hornady 150-grain InterBond, Federal 210 58.0 grains H-414
Speer 165-grain BT, CCI 200 primer
52.0 grains H-4831SC Hornady 165-grain InterBond Federal Premium
165-grain Nosler Ballistic Tip Hornady Superformance
165-grain SST Winchester
168-grain Ballistic Silvertip Federal Premium 180-grain
Nosler AccuBond Hornady 180-grain SST InterLock 2,342 2,690 1.70
www.varminthunter.org 1.30 Page 39
MUZZLE VELOCITY IN F.P.S.
Handgun Rifle 2,737
2,650 2,766 2,689 2,391
2,446 2,504
2,572 2,407 2,435 3,178 3,054 3,207 3,096 2,767
2,823 2,849
2,957 2,827 2,792
3 SHOT 100-YARD GROUP IN INCHES
Handgun 1.55
0.60 1.30 2.85 1.90
2.95 2.35
2.25 1.90 1.10
Rifle 0.95
1.20 1.10 1.45 1.60
1.50 1.00
1.60 0.80 1.30
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