Remington's Model 700 CDL DM Part II

Psychological transference occurs when some common element bridges a current event with a past event, causing emotions associated with the past event to be carried over to the current event. Usually this applies to people; you see someone and visual cues cause you to instantly like them or dislike them without interaction or personal experience. Something similar happens with settings, circumstances and objects.

The first time I saw this Remington, I immediately thought of a Stoeger’s Shooter’s Bible of the early 1960’s with its pictures of conservatively styled, fine European and Scandinavian firearms. Satin finish bluing, oil rubbed finish walnut, carefully checkered stocks, and box magazines that were barely perceptible within the lines of each respective rifle. On first impression, the Remington CDL DM appeared a well made and nicely styled firearm. After live fire and handloading experience, my opinion remains the same.

Old scopes never die…

For the purpose of this project I mounted a now discontinued Burris 4-16x44mm Signature model scope with a light controlling aperture, parallax adjustment, Posi-Lock and Electro-Dot Reticle. Why? Because the magnification range is right for the 7mm Remington Magnum, because weight was not of consequence under the project circumstances and because the scope’s optics and field features are exceptional. When the scope was mounted I felt like booking an antelope hunt, but had to settle for the shooting bench.

Handloading…

We generally handload six 7mm cartridges in the shop: 7mm-30 RG, 7mm-08 Remington, 7x57mm Mauser, 7mm WSM. 7mm Remington Magnum, and the 7mm Ultra Mag. Subsequently, there are lots of 0.284″ bullet on hand. Some work for the lower velocity rounds, 7×57 Mauser and down and other work for the magnums. In this case we loaded to a short list of bullets that have worked well over the long haul with the 7mm Remington Magnum. They are inexpensive bullets, accurate shooting and routine in handloading. Others that work well that we have worked with in the past can be found on the RealGuns’ load page for the 7mm Remington Magnum.

I never really thought much about this cartridge as a cartridge for lightweight, high velocity bullet applications. Shows you how little I know. The first box of factory ammo I purchased for the 7mm Remington Magnum was loaded with 175 grain bullets and I pretty much have settled on 150 grain – 160 grain bullet over the years for big game hunting, varying the bullet construction to match up with game type. The 120 grain Sierra bullet included here has been used successfully on coyote and similar game. The 140 grain Remington protected point is tougher than its weight suggests and is useful for deer and antelope. The 139 SST is very similar in performance and application. The rest of what is there is suitable for elk and moose, particularly the 175 grain which is tough, deep penetrating and has good retained velocity for flat trajectory.

Recorded Handload Performance

 

COL and Capacity   Load Data & Performance
Bullet Type Bullet
Weight
C.O.L.
Inches
Net
Case
Grains
  Powder Charge
Grains
Muzzle
Velocity
FPS
Muzzle
Energy
Ft/Lbs
Group
Inches
Sierra Pro-Hunter 120 3.250 78.4   Re19 73.0 3539 3337 1.2
Sierra Pro-Hunter 120 3.250 78.4   Re22 75.5 3556 3369 1.2
Sierra Pro-Hunter 120 3.250 78.4   H4831SC 74.5 3501 3266 0.9
Sierra Pro-Hunter 120 3.250 78.4   IMR7828SSC 76.0 3592 3438 1.3
Hornady SST 139 *3.235 73.7   AA MagPro 74.0 3355 3475 0.9
Hornady SST 139 3.235 73.7   Re22 70.5 3345 3454 1.1
Hornady SST 139 3.235 73.7   IMR7828SSC 71.0 3382 3530 0.8
Hornady SST 139 3.235 73.7   Win780 70.5 3254 3268 1.2
Remington PSP 140 3.240 76.3   Re22 72.0 3348 3485 1.1
Remington PSP 140 3.240 76.3   H4831SC 71.0 3291 3368 0.6
Remington PSP 140 3.240 76.3   IMR7828SSC 72.0 3361 3511 0.8
Remington PSP 140 3.240 76.3   RS Magnum 77.0 3334 3455 1.0
Hornady SP 154 3.290 75.0   AA MagPro 73.0 3223 3551 1.0
Hornady SP 154 3.290 75.0   Re22 69.5 3204 3511 1.0
Hornady SP 154 3.290 75.0   IMR7828SSC 69.5 3217 3540 0.8
Hornady SP 154 3.290 75.0   RS Magnum 75.0 3225 3556 1.1
Speer Spitzer SP 160 3.290 74.9   AA MagPro 72.5 3150 3525 1.2
Speer Spitzer SP 160 3.290 74.9   Re22 69.0 3129 3479 1.1
Speer Spitzer SP 160 3.290 74.9   IMR7828SSC 69.0 3143 3509 1.2
Speer Spitzer SP 160 3.290 74.9   Win 780 68.5 3039 3281 1.2
Remington PSP 175 3.250 73.6   AA MagPro 70.0 3019 3541 0.7
Remington PSP 175 3.250 73.6   RE25 69.0 3001 3498 1.0
Remington PSP 175 3.250 73.6   IMR7828SSC 66.5 3014 3505 0.9
Remington PSP 175 3.250 73.6   RS Magnum 72.0 3022 3548 1.1
* COL data for this bullet in Hornady #8 needs to be adjusted for cannelure alignment by a bunch

 

Taken from our Exterior Ballistics Calculator, the following is an example of the 160 grain Speer MagPro handloads performance. For a hunter, it is a great convenience to have this sort of point blank shooting range and not to have to rely on tables taped to a rifle’s stock when taking aim at distant game. High ballistic coefficient and sectional density bullets result in high retained velocity and energy with reduced time in flight with correspondingly proportionally less wind drift.

 

Indices Range 0-500 yds
Range -yds 0 100 200 300 400 500
Velocity – ft./sec. 3150 2955 2767 2587 2414 2248
Energy – ft.-lbs. 3525 3101 2720 2377 2070 1795
Path – in. -1.5 2.5 2.5 -2.1 -11.9 -27.6
Time of flight – sec. 0.0 0.1 0.2 0.3 0.4 0.6

 

Best Zero Results
Near-Zero – yds. 28 Midrange – yds. 150
Far-Zero – yds. 266 Max Ordinate – in. +3.0
Point-Blank – yds. 312  

 

 

Concluding comments

 

Funny thing about the detachable magazine. I was shooting for half an hour before it dawned on me that I was habitually top loading this detachable magazine gun. Which suggests there is no penalty associated with the detachable magazine, just the potential for easy emptying and for carrying extra magazine preloaded with ammo.

The Remington Model 700 CDL DM shot considerably softer than the Model 700 BDL I had on hand for the sake of comparisons. The CDL was a bit heavier, about eight ounces, mostly because of the two inch longer barrel and larger and heavier scope, but it was the lack of muzzle rise that was the most noticeable. The CDL with longer barrel demonstrated a decisive advantage over the shorter barrel BDL to the tune of one hundred fifty to one hundred seventy five feet per second, something to be expected where cases full of slow burning powder are the norm.

In the case of one of my more modest one hundred sixty grain handloads intended for deer hunting point blank range, based on this velocity difference, increased by over thirty yards and six hundred yard trajectory was reduced by over ten inches. The extra two inches of barrel length does not increase firearm weight or detract from handling in any meaningful way and the gain in performance is something a magnum owner would want. Weatherby built a velocity reputation on 26″ barrel rifles; big cases need longer barrels for their performance potential to be extracted. The Remington Model 700 CDL DM is an excellent firearm in performance and appearance.

Remington’s Model 700 CDL DM Part I
Remington’s Model 700 CDL DM Part II

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