http://www.swf.usace.army.mil/pubdata/ops/recnres/title36.pdf327.13 Explosives, firearms, other weapons and fireworks.
(a) The possession of loaded firearms, ammunition, loaded projectile firing devices, bows and arrows, crossbows, or other weapons is prohibited unless:
(1) In the possession of a Federal, state or local law enforcement officer;
(2) Being used for hunting or fishing as permitted under 327.8, with devices being unloaded when transported to, from or between hunting and fishing sites;
(3) Being used at authorized shooting ranges; or
(4) Written permission has been received from the District Commander.
(b) Possession of explosives or explosive devices of any kind, including fireworks or other pyrotechnics, is prohibited unless written permission has been received from the District Commander.
And
http://www.swf.usace.army.mil/pubdata/ops/recnres/HUNTGUIDE09-10final.pdf10. Are there weapons and/or means and methods restrictions on public hunting areas?
The “Means and Methods” restrictions as required under state law apply to all Corps
of Engineers hunting areas with the following additional requirements:
a. Hunting or shooting within 600 feet of homes, developed parks, roads, fishing piers or
platforms, farm and ranch yards, outlet structures, emergency spillways, or other areas is
prohibited unless otherwise stated or posted.
b. Pistols are prohibited. c. Buckshot (any shot size large than #2 shot) is prohibited anywhere on government property. Buckshot is prohibited due to increased public safety concerns. Shotguns with rifled
slugs are allowed when hunting deer and feral hogs except at those lakes which restrict deer and
feral hog hunting to archery only.
d. Crossbows may be used in accordance with state law when hunting deer and feral hogs
unless prohibited at specific lakes.
e. Muzzleloaders: Muzzle-loading shotguns may be used at any lake which allows the use of
a conventional legal shotgun as defined by state law. Muzzle-loading rifles may be used only at
Lake O’ the Pines, Town Bluff, Sam Rayburn, and Wright Patman Lakes as stated in the Lake
Information section of this guide.
f. The use of conventional center-fire or rim-fire rifles is prohibited at all lakes, except Lake
O’ The Pines and Wright Patman Lake as stated in the Lake Information section of this guide.
g. The use of pellet, BB, or any other type of air gun is prohibited at all lakes.
h. Archery equipment for bow fishing must comply with TPWD regulations
http://www.tpwd.state.tx.us/publications/pwdpubs/pwd_lf_t3200_1559/ and will not take place
within 600 feet of homes, developed parks, roads, farm and ranch yards, outlet structures,
emergency spillways, or other areas.