mr0w1,
Our BG-16 rifle grip has the exact same angle of rake (30 degrees) as the issue M16A2 grip. Perhaps the curved backstrap gives the illusion of additional rake to some eyes.
Here's some grip thickness measurements for comparison.
Top:
M16A2- .985 BG-16- .975 = .010 difference
1.00" down from the top:
M16A2- .990 BG-16- .975 = .015 difference
2.00" down from the top:
M16A2- 1.215 BG-16- 1.130 = .085 difference
3.00" down from the top:
M16A2- 1.250 BG-16- 1.215 = .025 difference
Base:
M16A2- 1.165 BG-16- 1.175 = .010 difference
You can see we are very close to the baseline grip top and bottom (the difference the thickness of a business card) until the mid-section of the grip, where we are a little thinner.
However, the curved backstrap of the BG-16 adds .165 depth over the standard grip (1.945 vs 1.780).
The FN FAL/FNC grips have 22 degrees of rake, with a straight backstrap that has 31+ degrees of rake. Again, the difference of rake between front/ backstraps cause an illusion
of steep rake, when in fact the M16A2 grip is the more angled grip.
Hope this information helps.
Best,
Jeff